#203C81#203C81

#203C81 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.121 H 264.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#203C81
RGB	rgb(32, 60, 129)
HSL	hsl(223, 60%, 32%)
HSV	hsv(223, 75%, 51%)
CMYK	cmyk(75.2%, 53.5%, 0%, 49.4%)
CIE-LAB	lab(27.08, 15.28, -42.05)
CIE-LCH	lch(27.08, 44.74, 289.96°)
OKLab	oklab(37.68% -0.0114 -0.1209)
OKLCH	oklch(37.68% 0.121 264.6)
XYZ	xyz(6.1726, 5.1231, 21.4282)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C81 #816520

analogous

#206D81 #203C81 #352081

triadic

#203C81 #81203C #3C8120

tetradic

#203C81 #81206D #816520 #208135

square

#203C81 #81206D #816520 #208135

split-complementary

#203C81 #813520 #6D8120

monochromatic

#080E1F #142550 #203C81 #2C53B2 #4971D2

Accessibility & contrast

On white

10.37

#203C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#203C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C81

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C81	#FFFFFF	#000000	##FFFFFF
##203C81	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4583

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203c81;
/* rgb */ color: rgb(32, 60, 129);
/* oklch */ color: oklch(37.7% 0.121 264.6);

Tailwind

colors: {
  custom: {
    50: '#6a71a6',
    500: '#203c81',
    950: '#000000',
  },
}

SCSS

$custom: #203c81;
$custom-light: #6a71a6;
$custom-dark: #000000;

JSON

{
  "hex": "#203c81",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 129
  },
  "hsl": {
    "h": 222.68,
    "s": 60.248,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37681,
    "c": 0.12149,
    "h": 264.6
  },
  "luminance": 0.05124
}

Semantic roles & 50–950 ramp

primary

#203C81

secondary

#B49549

accent

#B544E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #203C81

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

Preview Lab → · Contrast checker → · Palette generator →