#242D8D#242D8D

#242D8D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.157 H 271.6°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#242D8D
RGB	rgb(36, 45, 141)
HSL	hsl(235, 59%, 35%)
HSV	hsv(235, 74%, 55%)
CMYK	cmyk(74.5%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(24.24, 30.73, -54.16)
CIE-LCH	lch(24.24, 62.27, 299.57°)
OKLab	oklab(35.94% 0.0043 -0.1566)
OKLCH	oklch(35.94% 0.157 271.6)
XYZ	xyz(6.4720, 4.1743, 25.6588)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242D8D #8D8424

analogous

#24628D #242D8D #50248D

triadic

#242D8D #8D242D #2D8D24

tetradic

#242D8D #8D2462 #8D8424 #248D50

square

#242D8D #8D2462 #8D8424 #248D50

split-complementary

#242D8D #8D5024 #628D24

monochromatic

#0B0E2B #181D5C #242D8D #303DBE #5762D4

Accessibility & contrast

On white

11.44

#242D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#242D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242D8D

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242D8D	#FFFFFF	#000000	##FFFFFF
##242D8D	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #242d8d;
/* rgb */ color: rgb(36, 45, 141);
/* oklch */ color: oklch(35.9% 0.157 271.6);

Tailwind

colors: {
  custom: {
    50: '#6f66af',
    500: '#242d8d',
    950: '#000000',
  },
}

SCSS

$custom: #242d8d;
$custom-light: #6f66af;
$custom-dark: #000000;

JSON

{
  "hex": "#242d8d",
  "rgb": {
    "r": 36,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 234.857,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35936,
    "c": 0.15664,
    "h": 271.6
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#242D8D

secondary

#B8B054

accent

#D545E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #242D8D

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

Preview Lab → · Contrast checker → · Palette generator →