#203F74#203F74

#203F74 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.098 H 260.4°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#203F74
RGB	rgb(32, 63, 116)
HSL	hsl(218, 57%, 29%)
HSV	hsv(218, 72%, 45%)
CMYK	cmyk(72.4%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(27.08, 7.99, -33.87)
CIE-LCH	lch(27.08, 34.80, 283.27°)
OKLab	oklab(37.39% -0.0164 -0.0968)
OKLCH	oklch(37.39% 0.098 260.4)
XYZ	xyz(5.5244, 5.1225, 17.2172)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F74 #745520

analogous

#206974 #203F74 #2B2074

triadic

#203F74 #74203F #3F7420

tetradic

#203F74 #742069 #745520 #20742B

square

#203F74 #742069 #745520 #20742B

split-complementary

#203F74 #742B20 #697420

monochromatic

#070D18 #132544 #203F74 #2D59A4 #4375CB

Accessibility & contrast

On white

10.37

#203F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#203F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F74

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F74	#FFFFFF	#000000	##FFFFFF
##203F74	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)

#254476

Deuteranopia (green-blind)

#163C73

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203f74;
/* rgb */ color: rgb(32, 63, 116);
/* oklch */ color: oklch(37.4% 0.098 260.4);

Tailwind

colors: {
  custom: {
    50: '#67739c',
    500: '#203f74',
    950: '#000000',
  },
}

SCSS

$custom: #203f74;
$custom-light: #67739c;
$custom-dark: #000000;

JSON

{
  "hex": "#203f74",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 217.857,
    "s": 56.757,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37388,
    "c": 0.09821,
    "h": 260.4
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary

#203F74

secondary

#A88448

accent

#A848E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #203F74

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

Preview Lab → · Contrast checker → · Palette generator →