#242F7B#242F7B

#242F7B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.129 H 271.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#242F7B
RGB	rgb(36, 47, 123)
HSL	hsl(232, 55%, 31%)
HSV	hsv(232, 71%, 48%)
CMYK	cmyk(70.7%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(23.13, 22.58, -44.68)
CIE-LCH	lch(23.13, 50.07, 296.81°)
OKLab	oklab(34.62% 0.0036 -0.1288)
OKLCH	oklch(34.62% 0.129 271.6)
XYZ	xyz(5.3180, 3.8377, 19.1955)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F7B #7B7024

analogous

#245A7B #242F7B #44247B

triadic

#242F7B #7B242F #2F7B24

tetradic

#242F7B #7B245A #7B7024 #247B44

square

#242F7B #7B245A #7B7024 #247B44

split-complementary

#242F7B #7B4424 #5A7B24

monochromatic

#080B1C #161D4C #242F7B #3241AA #4E5ECB

Accessibility & contrast

On white

11.88

#242F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#242F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F7B

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F7B	#FFFFFF	#000000	##FFFFFF
##242F7B	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #242f7b;
/* rgb */ color: rgb(36, 47, 123);
/* oklch */ color: oklch(34.6% 0.129 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b67a2',
    500: '#242f7b',
    950: '#000000',
  },
}

SCSS

$custom: #242f7b;
$custom-light: #6b67a2;
$custom-dark: #000000;

JSON

{
  "hex": "#242f7b",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 232.414,
    "s": 54.717,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34616,
    "c": 0.12884,
    "h": 271.6
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#242F7B

secondary

#ADA14D

accent

#CB4ADE

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #242F7B

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

Preview Lab → · Contrast checker → · Palette generator →