#203B76#203B76

#203B76 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.106 H 263.5°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#203B76
RGB	rgb(32, 59, 118)
HSL	hsl(221, 57%, 29%)
HSV	hsv(221, 73%, 46%)
CMYK	cmyk(72.9%, 50%, 0%, 53.7%)
CIE-LAB	lab(25.99, 11.57, -36.89)
CIE-LCH	lch(25.99, 38.66, 287.41°)
OKLab	oklab(36.59% -0.012 -0.1058)
OKLCH	oklch(36.59% 0.106 263.5)
XYZ	xyz(5.4285, 4.7425, 17.7653)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B76 #765B20

analogous

#206676 #203B76 #302076

triadic

#203B76 #76203B #3B7620

tetradic

#203B76 #762066 #765B20 #207630

square

#203B76 #762066 #765B20 #207630

split-complementary

#203B76 #763020 #667620

monochromatic

#070C18 #132346 #203B76 #2D53A6 #446FCC

Accessibility & contrast

On white

10.78

#203B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#203B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B76

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B76	#FFFFFF	#000000	##FFFFFF
##203B76	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4278

Deuteranopia (green-blind)

#053A75

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #203b76;
/* rgb */ color: rgb(32, 59, 118);
/* oklch */ color: oklch(36.6% 0.106 263.5);

Tailwind

colors: {
  custom: {
    50: '#67709e',
    500: '#203b76',
    950: '#000000',
  },
}

SCSS

$custom: #203b76;
$custom-light: #67709e;
$custom-dark: #000000;

JSON

{
  "hex": "#203b76",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 221.163,
    "s": 57.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36592,
    "c": 0.10646,
    "h": 263.5
  },
  "luminance": 0.04743
}

Semantic roles & 50–950 ramp

primary

#203B76

secondary

#A98B48

accent

#B047E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #203B76

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

Preview Lab → · Contrast checker → · Palette generator →