#242F8A#242F8A

#242F8A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.150 H 271.2°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#242F8A
RGB	rgb(36, 47, 138)
HSL	hsl(234, 59%, 34%)
HSV	hsv(234, 74%, 54%)
CMYK	cmyk(73.9%, 65.9%, 0%, 45.9%)
CIE-LAB	lab(24.46, 28.29, -51.93)
CIE-LCH	lch(24.46, 59.14, 298.58°)
OKLab	oklab(36.01% 0.0031 -0.1501)
OKLCH	oklch(36.01% 0.15 271.2)
XYZ	xyz(6.3300, 4.2424, 24.5251)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F8A #8A7F24

analogous

#24628A #242F8A #4C248A

triadic

#242F8A #8A242F #2F8A24

tetradic

#242F8A #8A2462 #8A7F24 #248A4C

square

#242F8A #8A2462 #8A7F24 #248A4C

split-complementary

#242F8A #8A4C24 #628A24

monochromatic

#0B0E29 #171E59 #242F8A #3140BB #5663D3

Accessibility & contrast

On white

11.36

#242F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#242F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F8A

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F8A	#FFFFFF	#000000	##FFFFFF
##242F8A	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003588

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #242f8a;
/* rgb */ color: rgb(36, 47, 138);
/* oklch */ color: oklch(36.0% 0.150 271.2);

Tailwind

colors: {
  custom: {
    50: '#6e67ad',
    500: '#242f8a',
    950: '#000000',
  },
}

SCSS

$custom: #242f8a;
$custom-light: #6e67ad;
$custom-dark: #000000;

JSON

{
  "hex": "#242f8a",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 138
  },
  "hsl": {
    "h": 233.529,
    "s": 58.621,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36009,
    "c": 0.15009,
    "h": 271.2
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#242F8A

secondary

#B7AC53

accent

#D146E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #242F8A

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

Preview Lab → · Contrast checker → · Palette generator →