#0025cb

Color #0025cb

A vivid, highly saturated dark blue.

Closest named color Medium Blue #0000cd · ΔE 14.33 Nearest Tailwind class indigo-800 #372aac · ΔE 4.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#0025cb

RGB

rgb(0, 37, 203)

HSL

hsl(229.1, 100%, 39.8%)

HSV / HSB

hsv(229.1, 100%, 79.6%)

CMYK

cmyk(100%, 81.8%, 0%, 20.4%)

LAB

lab(28.47, 55.18, -84.49)

LCH

lch(28.47, 100.91, 303.15)

OKLCH

oklch(40.7%, 0.2462, 264.15)

HWB

hwb(229.1, 0%, 20.4%)

Harmony colors

Complementary

#cba600

Analogous

#008acb

#0025cb

#4100cb

Triadic

#0025cb

#cb0025

#25cb00

Split-complementary

#0025cb

#cb4100

#8acb00

Tetradic

#0025cb

#a600cb

#cba600

#25cb00

Square

#0025cb

#cb008a

#cba600

#00cb41

Shades

Color #0025cb mixed toward black.

#001fa9

#001987

#001265

#000c44

#000622

Tints

Color #0025cb mixed toward white.

#002efe

#3258ff

#6581ff

#99abff

#ccd5ff

Tones

Color #0025cb mixed toward gray.

#1130ba

#223aa9

#334598

#445087

#555b76

Accessibility

Aa White text on this color

9.87:1

Aa Black text on this color

2.13:1

White text reads better on this background (9.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1616b4 · ΔE 4.1

Deuteranopia

#1411ae · ΔE 5.2

Tritanopia

#039f9a · ΔE 48

Achromatopsia

#434343 · ΔE 30.9

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

Code

CSS

background-color: #0025cb;

Tailwind (arbitrary value)

bg-[#0025cb]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#0025cb (#0025cb) is rgb(0, 37, 203) in RGB.

No, #0025cb 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #0025cb, or check how it holds up for accessibility.

Generate a palette → Check contrast