#242FB0#242FB0

#242FB0 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.9% C 0.200 H 269.7°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#242FB0
RGB	rgb(36, 47, 176)
HSL	hsl(235, 66%, 42%)
HSV	hsv(235, 80%, 69%)
CMYK	cmyk(79.5%, 73.3%, 0%, 31%)
CIE-LAB	lab(28.23, 42.05, -68.91)
CIE-LCH	lch(28.23, 80.73, 301.39°)
OKLab	oklab(39.87% -0.0009 -0.1996)
OKLCH	oklch(39.87% 0.2 269.7)
XYZ	xyz(9.5779, 5.5416, 41.6307)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242FB0 #B0A524

analogous

#2475B0 #242FB0 #5F24B0

triadic

#242FB0 #B0242F #2FB024

tetradic

#242FB0 #B02475 #B0A524 #24B05F

square

#242FB0 #B02475 #B0A524 #24B05F

split-complementary

#242FB0 #B05F24 #75B024

monochromatic

#0F144A #1A217D #242FB0 #3A47D7 #6D76E1

Accessibility & contrast

On white

9.96

#242FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#242FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242FB0

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242FB0	#FFFFFF	#000000	##FFFFFF
##242FB0	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #242fb0;
/* rgb */ color: rgb(36, 47, 176);
/* oklch */ color: oklch(39.9% 0.200 269.7);

Tailwind

colors: {
  custom: {
    50: '#7869c9',
    500: '#242fb0',
    950: '#000000',
  },
}

SCSS

$custom: #242fb0;
$custom-light: #7869c9;
$custom-dark: #000000;

JSON

{
  "hex": "#242fb0",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 176
  },
  "hsl": {
    "h": 235.286,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39873,
    "c": 0.19961,
    "h": 269.7
  },
  "luminance": 0.05543
}

Semantic roles & 50–950 ramp

primary

#242FB0

secondary

#C8C068

accent

#DC3FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242FB0

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

Preview Lab → · Contrast checker → · Palette generator →