#242CB1#242CB1

#242CB1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.5% C 0.204 H 270.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#242CB1
RGB	rgb(36, 44, 177)
HSL	hsl(237, 66%, 42%)
HSV	hsv(237, 80%, 69%)
CMYK	cmyk(79.7%, 75.1%, 0%, 30.6%)
CIE-LAB	lab(27.71, 44.14, -70.36)
CIE-LCH	lch(27.71, 83.06, 302.10°)
OKLab	oklab(39.54% 0.0001 -0.2038)
OKLCH	oklch(39.54% 0.204 270)
XYZ	xyz(9.5613, 5.3497, 42.1151)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242CB1 #B1A924

analogous

#2473B1 #242CB1 #6324B1

triadic

#242CB1 #B1242C #2CB124

tetradic

#242CB1 #B12473 #B1A924 #24B163

square

#242CB1 #B12473 #B1A924 #24B163

split-complementary

#242CB1 #B16324 #73B124

monochromatic

#0F134B #1A1F7E #242CB1 #3B44D7 #6E74E1

Accessibility & contrast

On white

10.14

#242CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#242CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242CB1

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242CB1	#FFFFFF	#000000	##FFFFFF
##242CB1	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #242cb1;
/* rgb */ color: rgb(36, 44, 177);
/* oklch */ color: oklch(39.5% 0.204 270.0);

Tailwind

colors: {
  custom: {
    50: '#7967ca',
    500: '#242cb1',
    950: '#000000',
  },
}

SCSS

$custom: #242cb1;
$custom-light: #7967ca;
$custom-dark: #000000;

JSON

{
  "hex": "#242cb1",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 177
  },
  "hsl": {
    "h": 236.596,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39536,
    "c": 0.20381,
    "h": 270
  },
  "luminance": 0.05351
}

Semantic roles & 50–950 ramp

primary

#242CB1

secondary

#C8C369

accent

#DF3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242CB1

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

Preview Lab → · Contrast checker → · Palette generator →