#2800a7

Color #2800a7

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 12.16 Nearest Tailwind class violet-900 #4d179a · ΔE 5.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#2800a7

RGB

rgb(40, 0, 167)

HSL

hsl(254.4, 100%, 32.7%)

HSV / HSB

hsv(254.4, 100%, 65.5%)

CMYK

cmyk(76%, 100%, 0%, 34.5%)

LAB

lab(20.98, 58.32, -75.51)

LCH

lch(20.98, 95.41, 307.68)

OKLCH

oklch(34.6%, 0.2185, 274.46)

HWB

hwb(254.4, 0%, 34.5%)

Harmony colors

Complementary

#7fa700

Analogous

#002ba7

#2800a7

#7b00a7

Triadic

#2800a7

#a72800

#00a728

Split-complementary

#2800a7

#a77b00

#2ba700

Tetradic

#2800a7

#a7007f

#7fa700

#00a728

Square

#2800a7

#a7002b

#7fa700

#00a77b

Shades

Color #2800a7 mixed toward black.

#21008b

#1b006f

#140053

#0d0038

#07001c

Tints

Color #2800a7 mixed toward white.

#3600e0

#511aff

#7d53ff

#a88dff

#d4c6ff

Tones

Color #2800a7 mixed toward gray.

#2f0e99

#361c8b

#3e2a7d

#45386f

#4c4561

Accessibility

Aa White text on this color

12.74:1

Aa Black text on this color

1.65:1

White text reads better on this background (12.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1c93 · ΔE 4.5

Deuteranopia

#1e218e · ΔE 5.9

Tritanopia

#27817c · ΔE 43

Achromatopsia

#323232 · ΔE 30.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #2800a7;

Tailwind (arbitrary value)

bg-[#2800a7]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#2800a7 (#2800a7) is rgb(40, 0, 167) in RGB.

No, #2800a7 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #2800a7, or check how it holds up for accessibility.

Generate a palette → Check contrast