#204BBB#204BBB

#204BBB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.183 H 264.3°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#204BBB
RGB	rgb(32, 75, 187)
HSL	hsl(223, 71%, 43%)
HSV	hsv(223, 83%, 73%)
CMYK	cmyk(82.9%, 59.9%, 0%, 26.7%)
CIE-LAB	lab(35.84, 27.93, -62.93)
CIE-LCH	lch(35.84, 68.85, 293.93°)
OKLab	oklab(45.72% -0.0183 -0.182)
OKLCH	oklch(45.72% 0.183 264.3)
XYZ	xyz(12.0782, 8.9256, 48.0903)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#204BBB #BB9020

analogous

#2098BB #204BBB #4320BB

triadic

#204BBB #BB204B #4BBB20

tetradic

#204BBB #BB2098 #BB9020 #20BB43

square

#204BBB #BB2098 #BB9020 #20BB43

split-complementary

#204BBB #BB4320 #98BB20

monochromatic

#0E2152 #173687 #204BBB #3B68DD #6F90E6

Accessibility & contrast

On white

7.54

#204BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#204BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #204BBB

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##204BBB	#FFFFFF	#000000	##FFFFFF
##204BBB	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #204bbb;
/* rgb */ color: rgb(32, 75, 187);
/* oklch */ color: oklch(45.7% 0.183 264.3);

Tailwind

colors: {
  custom: {
    50: '#777cd0',
    500: '#204bbb',
    950: '#000000',
  },
}

SCSS

$custom: #204bbb;
$custom-light: #777cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#204bbb",
  "rgb": {
    "r": 32,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 223.355,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4572,
    "c": 0.18295,
    "h": 264.3
  },
  "luminance": 0.08927
}

Semantic roles & 50–950 ramp

primary

#204BBB

secondary

#CDB16A

accent

#BC3AEE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #204BBB

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

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