#1d5f96

Color #1d5f96

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 14.53 Nearest Tailwind class sky-800 #00598a · ΔE 3.1

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Conversions

HEX

#1d5f96

RGB

rgb(29, 95, 150)

HSL

hsl(207.3, 67.6%, 35.1%)

HSV / HSB

hsv(207.3, 80.7%, 58.8%)

CMYK

cmyk(80.7%, 36.7%, 0%, 41.2%)

LAB

lab(38.98, -0.14, -35.89)

LCH

lch(38.98, 35.89, 269.78)

OKLCH

oklch(47.3%, 0.1101, 248.14)

HWB

hwb(207.3, 11.4%, 41.2%)

Harmony colors

Complementary

#96541d

Analogous

#1d9691

#1d5f96

#1d2296

Triadic

#1d5f96

#961d5f

#5f961d

Split-complementary

#1d5f96

#961d22

#96911d

Tetradic

#1d5f96

#541d96

#96541d

#5f961d

Square

#1d5f96

#911d96

#96541d

#22961d

Shades

Color #1d5f96 mixed toward black.

#184f7d

#133f64

#0e2f4b

#0a2032

#051019

Tints

Color #1d5f96 mixed toward white.

#267cc4

#4697db

#74b1e4

#a3cbed

#d1e5f6

Tones

Color #1d5f96 mixed toward gray.

#275e8c

#315d82

#3b5c78

#455b6e

#4f5a64

Accessibility

Aa White text on this color

6.71:1

Aa Black text on this color

3.13:1

White text reads better on this background (6.71:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#43448b · ΔE 14.1

Deuteranopia

#403a88 · ΔE 16.7

Tritanopia

#248280 · ΔE 24.6

Achromatopsia

#5c5c5c · ΔE 19.9

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

Code

CSS

background-color: #1d5f96;

Tailwind (arbitrary value)

bg-[#1d5f96]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#1d5f96 (#1d5f96) is rgb(29, 95, 150) in RGB.

No, #1d5f96 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 #1d5f96, or check how it holds up for accessibility.

Generate a palette → Check contrast