#1d5380

Color #1d5380

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 18.81 Nearest Tailwind class sky-800 #00598a · ΔE 3.1

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Conversions

HEX

#1d5380

RGB

rgb(29, 83, 128)

HSL

hsl(207.3, 63.1%, 30.8%)

HSV / HSB

hsv(207.3, 77.3%, 50.2%)

CMYK

cmyk(77.3%, 35.2%, 0%, 49.8%)

LAB

lab(33.99, -1.08, -30.39)

LCH

lch(33.99, 30.41, 267.96)

OKLCH

oklch(43%, 0.0934, 247.47)

HWB

hwb(207.3, 11.4%, 49.8%)

Harmony colors

Complementary

#804a1d

Analogous

#1d807c

#1d5380

#1d2180

Triadic

#1d5380

#801d53

#53801d

Split-complementary

#1d5380

#801d21

#807c1d

Tetradic

#1d5380

#4a1d80

#804a1d

#53801d

Square

#1d5380

#7c1d80

#804a1d

#21801d

Shades

Color #1d5380 mixed toward black.

#18456b

#133755

#0e2a40

#0a1c2b

#050e15

Tints

Color #1d5380 mixed toward white.

#2872b0

#3f90d4

#6facde

#9fc8e9

#cfe3f4

Tones

Color #1d5380 mixed toward gray.

#255278

#2e5270

#365167

#3e505f

#464f57

Accessibility

Aa White text on this color

8.07:1

Aa Black text on this color

2.6:1

White text reads better on this background (8.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3b3c77 · ΔE 12.8

Deuteranopia

#383475 · ΔE 14.6

Tritanopia

#226f6d · ΔE 22

Achromatopsia

#505050 · ΔE 18.1

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

Code

CSS

background-color: #1d5380;

Tailwind (arbitrary value)

bg-[#1d5380]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#1d5380 (#1d5380) is rgb(29, 83, 128) in RGB.

No, #1d5380 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #1d5380, or check how it holds up for accessibility.

Generate a palette → Check contrast