#0d3fb1

Color #0d3fb1

A vivid, highly saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 16.28 Nearest Tailwind class blue-800 #193cb8 · ΔE 1.9

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Conversions

HEX

#0d3fb1

RGB

rgb(13, 63, 177)

HSL

hsl(221.7, 86.3%, 37.3%)

HSV / HSB

hsv(221.7, 92.7%, 69.4%)

CMYK

cmyk(92.7%, 64.4%, 0%, 30.6%)

LAB

lab(31.38, 30.85, -64.34)

LCH

lch(31.38, 71.35, 295.62)

OKLCH

oklch(42%, 0.1879, 263.03)

HWB

hwb(221.7, 5.1%, 30.6%)

Harmony colors

Complementary

#b17f0d

Analogous

#0d91b1

#0d3fb1

#2d0db1

Triadic

#0d3fb1

#b10d3f

#3fb10d

Split-complementary

#0d3fb1

#b12d0d

#91b10d

Tetradic

#0d3fb1

#7f0db1

#b17f0d

#3fb10d

Square

#0d3fb1

#b10d91

#b17f0d

#0db12d

Shades

Color #0d3fb1 mixed toward black.

#0b3594

#092a76

#072059

#04153b

#020b1e

Tints

Color #0d3fb1 mixed toward white.

#1151e3

#3871f0

#6a94f4

#9cb8f8

#cddbfb

Tones

Color #0d3fb1 mixed toward gray.

#1b44a4

#284a96

#364f88

#44547a

#515a6d

Accessibility

Aa White text on this color

8.89:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b9f · ΔE 6.8

Deuteranopia

#28249a · ΔE 8.5

Tritanopia

#138e8a · ΔE 39.6

Achromatopsia

#4a4a4a · ΔE 27.4

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

Code

CSS

background-color: #0d3fb1;

Tailwind (arbitrary value)

bg-[#0d3fb1]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0d3fb1 (#0d3fb1) is rgb(13, 63, 177) in RGB.

No, #0d3fb1 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 #0d3fb1, or check how it holds up for accessibility.

Generate a palette → Check contrast