#203B77#203B77

#203B77 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.108 H 263.7°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#203B77
RGB	rgb(32, 59, 119)
HSL	hsl(221, 58%, 30%)
HSV	hsv(221, 73%, 47%)
CMYK	cmyk(73.1%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(26.06, 11.97, -37.41)
CIE-LCH	lch(26.06, 39.28, 287.74°)
OKLab	oklab(36.67% -0.0118 -0.1073)
OKLCH	oklch(36.67% 0.108 263.7)
XYZ	xyz(5.4882, 4.7663, 18.0799)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B77 #775C20

analogous

#206777 #203B77 #302077

triadic

#203B77 #77203B #3B7720

tetradic

#203B77 #772067 #775C20 #207730

square

#203B77 #772067 #775C20 #207730

split-complementary

#203B77 #773020 #677720

monochromatic

#060C18 #132347 #203B77 #2D53A7 #456FCD

Accessibility & contrast

On white

10.75

#203B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#203B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B77

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B77	#FFFFFF	#000000	##FFFFFF
##203B77	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4279

Deuteranopia (green-blind)

#033A76

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #203b77;
/* rgb */ color: rgb(32, 59, 119);
/* oklch */ color: oklch(36.7% 0.108 263.7);

Tailwind

colors: {
  custom: {
    50: '#67709f',
    500: '#203b77',
    950: '#000000',
  },
}

SCSS

$custom: #203b77;
$custom-light: #67709f;
$custom-dark: #000000;

JSON

{
  "hex": "#203b77",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 221.379,
    "s": 57.616,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36668,
    "c": 0.10796,
    "h": 263.7
  },
  "luminance": 0.04767
}

Semantic roles & 50–950 ramp

primary

#203B77

secondary

#AA8C48

accent

#B147E1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #203B77

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

Preview Lab → · Contrast checker → · Palette generator →