#204CBB#204CBB

#204CBB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.182 H 264.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#204CBB
RGB	rgb(32, 76, 187)
HSL	hsl(223, 71%, 43%)
HSV	hsv(223, 83%, 73%)
CMYK	cmyk(82.9%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(36.10, 27.26, -62.50)
CIE-LCH	lch(36.10, 68.19, 293.57°)
OKLab	oklab(45.92% -0.0189 -0.1808)
OKLCH	oklch(45.92% 0.182 264)
XYZ	xyz(12.1465, 9.0623, 48.1131)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#204CBB #BB8F20

analogous

#2099BB #204CBB #4220BB

triadic

#204CBB #BB204C #4CBB20

tetradic

#204CBB #BB2099 #BB8F20 #20BB42

square

#204CBB #BB2099 #BB8F20 #20BB42

split-complementary

#204CBB #BB4220 #99BB20

monochromatic

#0E2252 #173787 #204CBB #3B69DD #6F91E6

Accessibility & contrast

On white

7.47

#204CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#204CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #204CBB

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##204CBB	#FFFFFF	#000000	##FFFFFF
##204CBB	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #204cbb;
/* rgb */ color: rgb(32, 76, 187);
/* oklch */ color: oklch(45.9% 0.182 264.0);

Tailwind

colors: {
  custom: {
    50: '#777dd0',
    500: '#204cbb',
    950: '#000000',
  },
}

SCSS

$custom: #204cbb;
$custom-light: #777dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#204cbb",
  "rgb": {
    "r": 32,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 222.968,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45917,
    "c": 0.18174,
    "h": 264
  },
  "luminance": 0.09064
}

Semantic roles & 50–950 ramp

primary

#204CBB

secondary

#CDB16A

accent

#BB3AEE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #204CBB

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

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