#204DB3#204DB3

#204DB3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.170 H 263.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#204DB3
RGB	rgb(32, 77, 179)
HSL	hsl(222, 70%, 41%)
HSV	hsv(222, 82%, 70%)
CMYK	cmyk(82.1%, 57%, 0%, 29.8%)
CIE-LAB	lab(35.73, 23.49, -58.40)
CIE-LCH	lch(35.73, 62.94, 291.91°)
OKLab	oklab(45.43% -0.0199 -0.1687)
OKLCH	oklch(45.43% 0.17 263.3)
XYZ	xyz(11.3833, 8.8681, 43.7508)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#204DB3 #B38620

analogous

#2097B3 #204DB3 #3D20B3

triadic

#204DB3 #B3204D #4DB320

tetradic

#204DB3 #B32097 #B38620 #20B33D

square

#204DB3 #B32097 #B38620 #20B33D

split-complementary

#204DB3 #B33D20 #97B320

monochromatic

#0D204B #17377F #204DB3 #3568DB #698FE4

Accessibility & contrast

On white

7.57

#204DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#204DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #204DB3

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##204DB3	#FFFFFF	#000000	##FFFFFF
##204DB3	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #204db3;
/* rgb */ color: rgb(32, 77, 179);
/* oklch */ color: oklch(45.4% 0.170 263.3);

Tailwind

colors: {
  custom: {
    50: '#757ecb',
    500: '#204db3',
    950: '#000000',
  },
}

SCSS

$custom: #204db3;
$custom-light: #757ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#204db3",
  "rgb": {
    "r": 32,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 221.633,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45435,
    "c": 0.16986,
    "h": 263.3
  },
  "luminance": 0.0887
}

Semantic roles & 50–950 ramp

primary

#204DB3

secondary

#CAAB65

accent

#B63BEC

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #204DB3

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

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