#242B8D#242B8D

#242B8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.159 H 272.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#242B8D
RGB	rgb(36, 43, 141)
HSL	hsl(236, 59%, 35%)
HSV	hsv(236, 74%, 55%)
CMYK	cmyk(74.5%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(23.75, 32.03, -54.95)
CIE-LCH	lch(23.75, 63.61, 300.24°)
OKLab	oklab(35.58% 0.0056 -0.1589)
OKLCH	oklch(35.58% 0.159 272)
XYZ	xyz(6.3975, 4.0253, 25.6339)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242B8D #8D8624

analogous

#24608D #242B8D #52248D

triadic

#242B8D #8D242B #2B8D24

tetradic

#242B8D #8D2460 #8D8624 #248D52

square

#242B8D #8D2460 #8D8624 #248D52

split-complementary

#242B8D #8D5224 #608D24

monochromatic

#0B0D2B #181C5C #242B8D #303ABE #5760D4

Accessibility & contrast

On white

11.63

#242B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#242B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242B8D

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242B8D	#FFFFFF	#000000	##FFFFFF
##242B8D	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #242b8d;
/* rgb */ color: rgb(36, 43, 141);
/* oklch */ color: oklch(35.6% 0.159 272.0);

Tailwind

colors: {
  custom: {
    50: '#7065af',
    500: '#242b8d',
    950: '#000000',
  },
}

SCSS

$custom: #242b8d;
$custom-light: #7065af;
$custom-dark: #000000;

JSON

{
  "hex": "#242b8d",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 236,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35584,
    "c": 0.15901,
    "h": 272
  },
  "luminance": 0.04026
}

Semantic roles & 50–950 ramp

primary

#242B8D

secondary

#B8B254

accent

#D845E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #242B8D

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

Preview Lab → · Contrast checker → · Palette generator →