#203B71#203B71

#203B71 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.099 H 262.5°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#203B71
RGB	rgb(32, 59, 113)
HSL	hsl(220, 56%, 28%)
HSV	hsv(220, 72%, 44%)
CMYK	cmyk(71.7%, 47.8%, 0%, 55.7%)
CIE-LAB	lab(25.64, 9.57, -34.27)
CIE-LCH	lch(25.64, 35.58, 285.61°)
OKLab	oklab(36.22% -0.0128 -0.0981)
OKLCH	oklch(36.22% 0.099 262.5)
XYZ	xyz(5.1392, 4.6267, 16.2418)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B71 #715620

analogous

#206371 #203B71 #2D2071

triadic

#203B71 #71203B #3B7120

tetradic

#203B71 #712063 #715620 #20712D

square

#203B71 #712063 #715620 #20712D

split-complementary

#203B71 #712D20 #637120

monochromatic

#070C18 #122241 #203B71 #2E54A1 #426FC9

Accessibility & contrast

On white

10.91

#203B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#203B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B71

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B71	#FFFFFF	#000000	##FFFFFF
##203B71	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204173

Deuteranopia (green-blind)

#103970

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #203b71;
/* rgb */ color: rgb(32, 59, 113);
/* oklch */ color: oklch(36.2% 0.099 262.5);

Tailwind

colors: {
  custom: {
    50: '#66709a',
    500: '#203b71',
    950: '#000000',
  },
}

SCSS

$custom: #203b71;
$custom-light: #66709a;
$custom-dark: #000000;

JSON

{
  "hex": "#203b71",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 113
  },
  "hsl": {
    "h": 220,
    "s": 55.862,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36217,
    "c": 0.0989,
    "h": 262.5
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary

#203B71

secondary

#A58648

accent

#AD49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #203B71

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

Preview Lab → · Contrast checker → · Palette generator →