#242A8D#242A8D

#242A8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.160 H 272.2°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#242A8D
RGB	rgb(36, 42, 141)
HSL	hsl(237, 59%, 35%)
HSV	hsv(237, 74%, 55%)
CMYK	cmyk(74.5%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(23.52, 32.68, -55.34)
CIE-LCH	lch(23.52, 64.27, 300.56°)
OKLab	oklab(35.41% 0.0062 -0.1601)
OKLCH	oklch(35.41% 0.16 272.2)
XYZ	xyz(6.3616, 3.9534, 25.6220)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242A8D #8D8724

analogous

#245F8D #242A8D #52248D

triadic

#242A8D #8D242A #2A8D24

tetradic

#242A8D #8D245F #8D8724 #248D52

square

#242A8D #8D245F #8D8724 #248D52

split-complementary

#242A8D #8D5224 #5F8D24

monochromatic

#0B0D2B #181B5C #242A8D #3039BE #575ED4

Accessibility & contrast

On white

11.73

#242A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#242A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242A8D

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242A8D	#FFFFFF	#000000	##FFFFFF
##242A8D	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #242a8d;
/* rgb */ color: rgb(36, 42, 141);
/* oklch */ color: oklch(35.4% 0.160 272.2);

Tailwind

colors: {
  custom: {
    50: '#7064af',
    500: '#242a8d',
    950: '#000000',
  },
}

SCSS

$custom: #242a8d;
$custom-light: #7064af;
$custom-dark: #000000;

JSON

{
  "hex": "#242a8d",
  "rgb": {
    "r": 36,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 236.571,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35412,
    "c": 0.16018,
    "h": 272.2
  },
  "luminance": 0.03954
}

Semantic roles & 50–950 ramp

primary

#242A8D

secondary

#B8B354

accent

#DA45E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #242A8D

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

Preview Lab → · Contrast checker → · Palette generator →