#242DB1#242DB1

#242DB1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.203 H 269.9°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#242DB1
RGB	rgb(36, 45, 177)
HSL	hsl(236, 66%, 42%)
HSV	hsv(236, 80%, 69%)
CMYK	cmyk(79.7%, 74.6%, 0%, 30.6%)
CIE-LAB	lab(27.91, 43.56, -70.02)
CIE-LCH	lch(27.91, 82.47, 301.89°)
OKLab	oklab(39.68% -0.0003 -0.2028)
OKLCH	oklch(39.68% 0.203 269.9)
XYZ	xyz(9.5990, 5.4251, 42.1277)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242DB1 #B1A824

analogous

#2474B1 #242DB1 #6224B1

triadic

#242DB1 #B1242D #2DB124

tetradic

#242DB1 #B12474 #B1A824 #24B162

square

#242DB1 #B12474 #B1A824 #24B162

split-complementary

#242DB1 #B16224 #74B124

monochromatic

#0F134B #1A207E #242DB1 #3B45D7 #6E75E1

Accessibility & contrast

On white

10.07

#242DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#242DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242DB1

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242DB1	#FFFFFF	#000000	##FFFFFF
##242DB1	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #242db1;
/* rgb */ color: rgb(36, 45, 177);
/* oklch */ color: oklch(39.7% 0.203 269.9);

Tailwind

colors: {
  custom: {
    50: '#7967ca',
    500: '#242db1',
    950: '#000000',
  },
}

SCSS

$custom: #242db1;
$custom-light: #7967ca;
$custom-dark: #000000;

JSON

{
  "hex": "#242db1",
  "rgb": {
    "r": 36,
    "g": 45,
    "b": 177
  },
  "hsl": {
    "h": 236.17,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39682,
    "c": 0.20283,
    "h": 269.9
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#242DB1

secondary

#C8C269

accent

#DE3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242DB1

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

Preview Lab → · Contrast checker → · Palette generator →