#203A71#203A71

#203A71 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.100 H 263.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#203A71
RGB	rgb(32, 58, 113)
HSL	hsl(221, 56%, 28%)
HSV	hsv(221, 72%, 44%)
CMYK	cmyk(71.7%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(25.34, 10.27, -34.76)
CIE-LCH	lch(25.34, 36.25, 286.46°)
OKLab	oklab(35.98% -0.0118 -0.0995)
OKLCH	oklch(35.98% 0.1 263.2)
XYZ	xyz(5.0883, 4.5249, 16.2248)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A71 #715720

analogous

#206271 #203A71 #2E2071

triadic

#203A71 #71203A #3A7120

tetradic

#203A71 #712062 #715720 #20712E

square

#203A71 #712062 #715720 #20712E

split-complementary

#203A71 #712E20 #627120

monochromatic

#070C18 #122241 #203A71 #2E52A1 #426DC9

Accessibility & contrast

On white

11.02

#203A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#203A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A71

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A71	#FFFFFF	#000000	##FFFFFF
##203A71	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4073

Deuteranopia (green-blind)

#0D3970

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #203a71;
/* rgb */ color: rgb(32, 58, 113);
/* oklch */ color: oklch(36.0% 0.100 263.2);

Tailwind

colors: {
  custom: {
    50: '#666f9a',
    500: '#203a71',
    950: '#000000',
  },
}

SCSS

$custom: #203a71;
$custom-light: #666f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#203a71",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 220.741,
    "s": 55.862,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35981,
    "c": 0.10023,
    "h": 263.2
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#203A71

secondary

#A58748

accent

#AF49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #203A71

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

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