#1c09dd

Color #1c09dd

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 5.47 Nearest Tailwind class indigo-700 #432dd7 · ΔE 5.1

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Conversions

HEX

#1c09dd

RGB

rgb(28, 9, 221)

HSL

hsl(245.4, 92.2%, 45.1%)

HSV / HSB

hsv(245.4, 95.9%, 86.7%)

CMYK

cmyk(87.3%, 95.9%, 0%, 13.3%)

LAB

lab(28.54, 69.68, -94.8)

LCH

lch(28.54, 117.65, 306.32)

OKLCH

oklch(41.6%, 0.2742, 267.39)

HWB

hwb(245.4, 3.5%, 13.3%)

Harmony colors

Complementary

#cadd09

Analogous

#0960dd

#1c09dd

#8609dd

Triadic

#1c09dd

#dd1c09

#09dd1c

Split-complementary

#1c09dd

#dd8609

#60dd09

Tetradic

#1c09dd

#dd09ca

#cadd09

#09dd1c

Square

#1c09dd

#dd0960

#cadd09

#09dd86

Shades

Color #1c09dd mixed toward black.

#1707b8

#130693

#0e046f

#09034a

#050125

Tints

Color #1c09dd mixed toward white.

#321ff6

#5b4cf8

#8478fa

#ada5fb

#d6d2fd

Tones

Color #1c09dd mixed toward gray.

#2b1bcb

#392cba

#483ea8

#565096

#656185

Accessibility

Aa White text on this color

9.85:1

Aa Black text on this color

2.13:1

White text reads better on this background (9.85:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1615c3 · ΔE 3.2

Deuteranopia

#1618bd · ΔE 3.9

Tritanopia

#1baca6 · ΔE 52.6

Achromatopsia

#434343 · ΔE 32.3

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

Code

CSS

background-color: #1c09dd;

Tailwind (arbitrary value)

bg-[#1c09dd]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1c09dd (#1c09dd) is rgb(28, 9, 221) in RGB.

No, #1c09dd 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 #1c09dd, or check how it holds up for accessibility.

Generate a palette → Check contrast