#203B74#203B74

#203B74 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.103 H 263.2°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#203B74
RGB	rgb(32, 59, 116)
HSL	hsl(221, 57%, 29%)
HSV	hsv(221, 72%, 45%)
CMYK	cmyk(72.4%, 49.1%, 0%, 54.5%)
CIE-LAB	lab(25.85, 10.77, -35.85)
CIE-LCH	lch(25.85, 37.43, 286.72°)
OKLab	oklab(36.44% -0.0123 -0.1027)
OKLCH	oklch(36.44% 0.103 263.2)
XYZ	xyz(5.3109, 4.6954, 17.1460)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B74 #745920

analogous

#206574 #203B74 #2F2074

triadic

#203B74 #74203B #3B7420

tetradic

#203B74 #742065 #745920 #20742F

square

#203B74 #742065 #745920 #20742F

split-complementary

#203B74 #742F20 #657420

monochromatic

#070C18 #132344 #203B74 #2D53A4 #436FCB

Accessibility & contrast

On white

10.83

#203B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#203B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B74

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B74	#FFFFFF	#000000	##FFFFFF
##203B74	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4176

Deuteranopia (green-blind)

#0A3A73

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #203b74;
/* rgb */ color: rgb(32, 59, 116);
/* oklch */ color: oklch(36.4% 0.103 263.2);

Tailwind

colors: {
  custom: {
    50: '#67709c',
    500: '#203b74',
    950: '#000000',
  },
}

SCSS

$custom: #203b74;
$custom-light: #67709c;
$custom-dark: #000000;

JSON

{
  "hex": "#203b74",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 116
  },
  "hsl": {
    "h": 220.714,
    "s": 56.757,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3644,
    "c": 0.10345,
    "h": 263.2
  },
  "luminance": 0.04696
}

Semantic roles & 50–950 ramp

primary

#203B74

secondary

#A88948

accent

#AF48E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #203B74

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

Preview Lab → · Contrast checker → · Palette generator →