#242F83#242F83

#242F83 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.140 H 271.4°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#242F83
RGB	rgb(36, 47, 131)
HSL	hsl(233, 57%, 33%)
HSV	hsv(233, 73%, 51%)
CMYK	cmyk(72.5%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(23.82, 25.64, -48.59)
CIE-LCH	lch(23.82, 54.94, 297.82°)
OKLab	oklab(35.35% 0.0035 -0.1403)
OKLCH	oklch(35.35% 0.14 271.4)
XYZ	xyz(5.8394, 4.0462, 21.9416)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F83 #837824

analogous

#245E83 #242F83 #492483

triadic

#242F83 #83242F #2F8324

tetradic

#242F83 #83245E #837824 #248349

square

#242F83 #83245E #837824 #248349

split-complementary

#242F83 #834924 #5E8324

monochromatic

#0A0D23 #171E53 #242F83 #3140B3 #5260CF

Accessibility & contrast

On white

11.61

#242F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#242F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F83

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F83	#FFFFFF	#000000	##FFFFFF
##242F83	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #242f83;
/* rgb */ color: rgb(36, 47, 131);
/* oklch */ color: oklch(35.3% 0.140 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d67a8',
    500: '#242f83',
    950: '#000000',
  },
}

SCSS

$custom: #242f83;
$custom-light: #6d67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#242f83",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 233.053,
    "s": 56.886,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35347,
    "c": 0.14031,
    "h": 271.4
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#242F83

secondary

#B3A84F

accent

#CE48E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #242F83

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

Preview Lab → · Contrast checker → · Palette generator →