#1d2351

Color #1d2351

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 23.49 Nearest Tailwind class blue-950 #162456 · ΔE 1.9

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Conversions

HEX

#1d2351

RGB

rgb(29, 35, 81)

HSL

hsl(233.1, 47.3%, 21.6%)

HSV / HSB

hsv(233.1, 64.2%, 31.8%)

CMYK

cmyk(64.2%, 56.8%, 0%, 68.2%)

LAB

lab(15.78, 13.51, -29.12)

LCH

lch(15.78, 32.1, 294.89)

OKLCH

oklch(27.9%, 0.0836, 274.11)

HWB

hwb(233.1, 11.4%, 68.2%)

Harmony colors

Complementary

#514b1d

Analogous

#1d3d51

#1d2351

#311d51

Triadic

#1d2351

#511d23

#23511d

Split-complementary

#1d2351

#51311d

#3d511d

Tetradic

#1d2351

#4b1d51

#514b1d

#23511d

Square

#1d2351

#511d3d

#514b1d

#1d5131

Shades

Color #1d2351 mixed toward black.

#181d44

#131736

#0f1229

#0a0c1b

#05060e

Tints

Color #1d2351 mixed toward white.

#2f3882

#404db3

#6c77ca

#9da4dc

#ced2ed

Tones

Color #1d2351 mixed toward gray.

#21264d

#262a48

#2a2d44

#2e3040

#33343b

Accessibility

Aa White text on this color

14.88:1

Aa Black text on this color

1.41:1

White text reads better on this background (14.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202049 · ΔE 2.3

Deuteranopia

#1f1f47 · ΔE 2.6

Tritanopia

#1d4240 · ΔE 25.6

Achromatopsia

#272727 · ΔE 19.5

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

Code

CSS

background-color: #1d2351;

Tailwind (arbitrary value)

bg-[#1d2351]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1d2351 (#1d2351) is rgb(29, 35, 81) in RGB.

No, #1d2351 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 #1d2351, or check how it holds up for accessibility.

Generate a palette → Check contrast