#242D8A#242D8A

#242D8A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.153 H 271.7°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#242D8A
RGB	rgb(36, 45, 138)
HSL	hsl(235, 59%, 34%)
HSV	hsv(235, 74%, 54%)
CMYK	cmyk(73.9%, 67.4%, 0%, 45.9%)
CIE-LAB	lab(23.95, 29.62, -52.76)
CIE-LCH	lch(23.95, 60.50, 299.31°)
OKLab	oklab(35.64% 0.0045 -0.1525)
OKLCH	oklch(35.64% 0.153 271.7)
XYZ	xyz(6.2518, 4.0862, 24.4991)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242D8A #8A8124

analogous

#24608A #242D8A #4E248A

triadic

#242D8A #8A242D #2D8A24

tetradic

#242D8A #8A2460 #8A8124 #248A4E

square

#242D8A #8A2460 #8A8124 #248A4E

split-complementary

#242D8A #8A4E24 #608A24

monochromatic

#0B0D29 #171D59 #242D8A #313DBB #5661D3

Accessibility & contrast

On white

11.55

#242D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#242D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242D8A

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242D8A	#FFFFFF	#000000	##FFFFFF
##242D8A	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #242d8a;
/* rgb */ color: rgb(36, 45, 138);
/* oklch */ color: oklch(35.6% 0.153 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f66ad',
    500: '#242d8a',
    950: '#000000',
  },
}

SCSS

$custom: #242d8a;
$custom-light: #6f66ad;
$custom-dark: #000000;

JSON

{
  "hex": "#242d8a",
  "rgb": {
    "r": 36,
    "g": 45,
    "b": 138
  },
  "hsl": {
    "h": 234.706,
    "s": 58.621,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35641,
    "c": 0.15256,
    "h": 271.7
  },
  "luminance": 0.04087
}

Semantic roles & 50–950 ramp

primary

#242D8A

secondary

#B7AE53

accent

#D446E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #242D8A

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

Preview Lab → · Contrast checker → · Palette generator →