#242AB1#242AB1

#242AB1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.206 H 270.2°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#242AB1
RGB	rgb(36, 42, 177)
HSL	hsl(237, 66%, 42%)
HSV	hsv(237, 80%, 69%)
CMYK	cmyk(79.7%, 76.3%, 0%, 30.6%)
CIE-LAB	lab(27.31, 45.27, -71.02)
CIE-LCH	lch(27.31, 84.22, 302.51°)
OKLab	oklab(39.25% 0.0008 -0.2057)
OKLCH	oklch(39.25% 0.206 270.2)
XYZ	xyz(9.4886, 5.2042, 42.0909)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242AB1 #B1AB24

analogous

#2471B1 #242AB1 #6524B1

triadic

#242AB1 #B1242A #2AB124

tetradic

#242AB1 #B12471 #B1AB24 #24B165

square

#242AB1 #B12471 #B1AB24 #24B165

split-complementary

#242AB1 #B16524 #71B124

monochromatic

#0F124B #1A1E7E #242AB1 #3B42D7 #6E73E1

Accessibility & contrast

On white

10.29

#242AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#242AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242AB1

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242AB1	#FFFFFF	#000000	##FFFFFF
##242AB1	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #242ab1;
/* rgb */ color: rgb(36, 42, 177);
/* oklch */ color: oklch(39.3% 0.206 270.2);

Tailwind

colors: {
  custom: {
    50: '#7965ca',
    500: '#242ab1',
    950: '#000000',
  },
}

SCSS

$custom: #242ab1;
$custom-light: #7965ca;
$custom-dark: #000000;

JSON

{
  "hex": "#242ab1",
  "rgb": {
    "r": 36,
    "g": 42,
    "b": 177
  },
  "hsl": {
    "h": 237.447,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39253,
    "c": 0.20571,
    "h": 270.2
  },
  "luminance": 0.05205
}

Semantic roles & 50–950 ramp

primary

#242AB1

secondary

#C8C469

accent

#E23FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242AB1

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

Preview Lab → · Contrast checker → · Palette generator →