#242C8D#242C8D

#242C8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.158 H 271.8°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#242C8D
RGB	rgb(36, 44, 141)
HSL	hsl(235, 59%, 35%)
HSV	hsv(235, 74%, 55%)
CMYK	cmyk(74.5%, 68.8%, 0%, 44.7%)
CIE-LAB	lab(24.00, 31.38, -54.56)
CIE-LCH	lch(24.00, 62.94, 299.91°)
OKLab	oklab(35.76% 0.0049 -0.1577)
OKLCH	oklch(35.76% 0.158 271.8)
XYZ	xyz(6.4343, 4.0989, 25.6462)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242C8D #8D8524

analogous

#24608D #242C8D #51248D

triadic

#242C8D #8D242C #2C8D24

tetradic

#242C8D #8D2460 #8D8524 #248D51

square

#242C8D #8D2460 #8D8524 #248D51

split-complementary

#242C8D #8D5124 #608D24

monochromatic

#0B0E2B #181D5C #242C8D #303BBE #5761D4

Accessibility & contrast

On white

11.54

#242C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#242C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242C8D

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242C8D	#FFFFFF	#000000	##FFFFFF
##242C8D	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	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: #242c8d;
/* rgb */ color: rgb(36, 44, 141);
/* oklch */ color: oklch(35.8% 0.158 271.8);

Tailwind

colors: {
  custom: {
    50: '#7065af',
    500: '#242c8d',
    950: '#000000',
  },
}

SCSS

$custom: #242c8d;
$custom-light: #7065af;
$custom-dark: #000000;

JSON

{
  "hex": "#242c8d",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 141
  },
  "hsl": {
    "h": 235.429,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35759,
    "c": 0.15783,
    "h": 271.8
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#242C8D

secondary

#B8B154

accent

#D745E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #242C8D

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

Preview Lab → · Contrast checker → · Palette generator →