#204DB4#204DB4

#204DB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.171 H 263.3°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#204DB4
RGB	rgb(32, 77, 180)
HSL	hsl(222, 70%, 42%)
HSV	hsv(222, 82%, 71%)
CMYK	cmyk(82.2%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.81, 23.88, -58.86)
CIE-LCH	lch(35.81, 63.52, 292.08°)
OKLab	oklab(45.52% -0.0198 -0.17)
OKLCH	oklch(45.52% 0.171 263.3)
XYZ	xyz(11.4848, 8.9087, 44.2854)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#204DB4 #B48720

analogous

#2097B4 #204DB4 #3D20B4

triadic

#204DB4 #B4204D #4DB420

tetradic

#204DB4 #B42097 #B48720 #20B43D

square

#204DB4 #B42097 #B48720 #20B43D

split-complementary

#204DB4 #B43D20 #97B420

monochromatic

#0E214C #173780 #204DB4 #3668DB #6A8FE4

Accessibility & contrast

On white

7.55

#204DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#204DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #204DB4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##204DB4	#FFFFFF	#000000	##FFFFFF
##204DB4	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #204db4;
/* rgb */ color: rgb(32, 77, 180);
/* oklch */ color: oklch(45.5% 0.171 263.3);

Tailwind

colors: {
  custom: {
    50: '#757ecb',
    500: '#204db4',
    950: '#000000',
  },
}

SCSS

$custom: #204db4;
$custom-light: #757ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#204db4",
  "rgb": {
    "r": 32,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 221.757,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45519,
    "c": 0.1712,
    "h": 263.3
  },
  "luminance": 0.0891
}

Semantic roles & 50–950 ramp

primary

#204DB4

secondary

#CAAC66

accent

#B73BED

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #204DB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →