#242BB0#242BB0

#242BB0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.204 H 270.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#242BB0
RGB	rgb(36, 43, 176)
HSL	hsl(237, 66%, 42%)
HSV	hsv(237, 80%, 69%)
CMYK	cmyk(79.5%, 75.6%, 0%, 31%)
CIE-LAB	lab(27.40, 44.37, -70.28)
CIE-LCH	lch(27.40, 83.11, 302.27°)
OKLab	oklab(39.28% 0.0006 -0.2035)
OKLCH	oklch(39.28% 0.204 270.2)
XYZ	xyz(9.4252, 5.2363, 41.5798)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242BB0 #B0A924

analogous

#2471B0 #242BB0 #6324B0

triadic

#242BB0 #B0242B #2BB024

tetradic

#242BB0 #B02471 #B0A924 #24B063

square

#242BB0 #B02471 #B0A924 #24B063

split-complementary

#242BB0 #B06324 #71B024

monochromatic

#0F124A #1A1F7D #242BB0 #3A42D7 #6D73E1

Accessibility & contrast

On white

10.26

#242BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#242BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242BB0

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242BB0	#FFFFFF	#000000	##FFFFFF
##242BB0	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #242bb0;
/* rgb */ color: rgb(36, 43, 176);
/* oklch */ color: oklch(39.3% 0.204 270.2);

Tailwind

colors: {
  custom: {
    50: '#7866c9',
    500: '#242bb0',
    950: '#000000',
  },
}

SCSS

$custom: #242bb0;
$custom-light: #7866c9;
$custom-dark: #000000;

JSON

{
  "hex": "#242bb0",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 176
  },
  "hsl": {
    "h": 237,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39284,
    "c": 0.20355,
    "h": 270.2
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#242BB0

secondary

#C8C368

accent

#E03FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242BB0

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

Preview Lab → · Contrast checker → · Palette generator →