#242B8A#242B8A

#242B8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.155 H 272.2°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#242B8A
RGB	rgb(36, 43, 138)
HSL	hsl(236, 59%, 34%)
HSV	hsv(236, 74%, 54%)
CMYK	cmyk(73.9%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(23.46, 30.93, -53.56)
CIE-LCH	lch(23.46, 61.85, 300.00°)
OKLab	oklab(35.28% 0.0059 -0.1549)
OKLCH	oklch(35.28% 0.155 272.2)
XYZ	xyz(6.1773, 3.9372, 24.4742)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242B8A #8A8324

analogous

#245E8A #242B8A #50248A

triadic

#242B8A #8A242B #2B8A24

tetradic

#242B8A #8A245E #8A8324 #248A50

square

#242B8A #8A245E #8A8324 #248A50

split-complementary

#242B8A #8A5024 #5E8A24

monochromatic

#0B0D29 #171C59 #242B8A #313ABB #565ED3

Accessibility & contrast

On white

11.75

#242B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#242B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242B8A

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242B8A	#FFFFFF	#000000	##FFFFFF
##242B8A	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #242b8a;
/* rgb */ color: rgb(36, 43, 138);
/* oklch */ color: oklch(35.3% 0.155 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f64ad',
    500: '#242b8a',
    950: '#000000',
  },
}

SCSS

$custom: #242b8a;
$custom-light: #6f64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#242b8a",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 235.882,
    "s": 58.621,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35283,
    "c": 0.15497,
    "h": 272.2
  },
  "luminance": 0.03938
}

Semantic roles & 50–950 ramp

primary

#242B8A

secondary

#B7B053

accent

#D746E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #242B8A

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

Preview Lab → · Contrast checker → · Palette generator →