#242D8F#242D8F

#242D8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.159 H 271.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#242D8F
RGB	rgb(36, 45, 143)
HSL	hsl(235, 60%, 35%)
HSV	hsv(235, 75%, 56%)
CMYK	cmyk(74.8%, 68.5%, 0%, 43.9%)
CIE-LAB	lab(24.43, 31.47, -55.08)
CIE-LCH	lch(24.43, 63.44, 299.74°)
OKLab	oklab(36.14% 0.0041 -0.1593)
OKLCH	oklch(36.14% 0.159 271.5)
XYZ	xyz(6.6222, 4.2343, 26.4496)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242D8F #8F8624

analogous

#24638F #242D8F #50248F

triadic

#242D8F #8F242D #2D8F24

tetradic

#242D8F #8F2463 #8F8624 #248F50

square

#242D8F #8F2463 #8F8624 #248F50

split-complementary

#242D8F #8F5024 #638F24

monochromatic

#0B0E2D #181E5E #242D8F #303CC0 #5863D5

Accessibility & contrast

On white

11.37

#242D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#242D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242D8F

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242D8F	#FFFFFF	#000000	##FFFFFF
##242D8F	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #242d8f;
/* rgb */ color: rgb(36, 45, 143);
/* oklch */ color: oklch(36.1% 0.159 271.5);

Tailwind

colors: {
  custom: {
    50: '#7066b1',
    500: '#242d8f',
    950: '#000000',
  },
}

SCSS

$custom: #242d8f;
$custom-light: #7066b1;
$custom-dark: #000000;

JSON

{
  "hex": "#242d8f",
  "rgb": {
    "r": 36,
    "g": 45,
    "b": 143
  },
  "hsl": {
    "h": 234.953,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36135,
    "c": 0.15934,
    "h": 271.5
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#242D8F

secondary

#B9B155

accent

#D645E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #242D8F

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

Preview Lab → · Contrast checker → · Palette generator →