#242F9A#242F9A

#242F9A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.172 H 270.6°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#242F9A
RGB	rgb(36, 47, 154)
HSL	hsl(234, 62%, 37%)
HSV	hsv(234, 77%, 60%)
CMYK	cmyk(76.6%, 69.5%, 0%, 39.6%)
CIE-LAB	lab(25.98, 34.21, -59.30)
CIE-LCH	lch(25.98, 68.47, 299.98°)
OKLab	oklab(37.59% 0.0018 -0.1716)
OKLCH	oklch(37.59% 0.172 270.6)
XYZ	xyz(7.5748, 4.7404, 31.0814)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F9A #9A8F24

analogous

#246A9A #242F9A #54249A

triadic

#242F9A #9A242F #2F9A24

tetradic

#242F9A #9A246A #9A8F24 #249A54

square

#242F9A #9A246A #9A8F24 #249A54

split-complementary

#242F9A #9A5424 #6A9A24

monochromatic

#0D1137 #182068 #242F9A #303ECC #5F6ADA

Accessibility & contrast

On white

10.78

#242F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#242F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F9A

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F9A	#FFFFFF	#000000	##FFFFFF
##242F9A	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#003898

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #242f9a;
/* rgb */ color: rgb(36, 47, 154);
/* oklch */ color: oklch(37.6% 0.172 270.6);

Tailwind

colors: {
  custom: {
    50: '#7268b9',
    500: '#242f9a',
    950: '#000000',
  },
}

SCSS

$custom: #242f9a;
$custom-light: #7268b9;
$custom-dark: #000000;

JSON

{
  "hex": "#242f9a",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 154
  },
  "hsl": {
    "h": 234.407,
    "s": 62.105,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37586,
    "c": 0.17163,
    "h": 270.6
  },
  "luminance": 0.04741
}

Semantic roles & 50–950 ramp

primary

#242F9A

secondary

#BFB55B

accent

#D643E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #242F9A

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

Preview Lab → · Contrast checker → · Palette generator →