#242BB1#242BB1

#242BB1 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.4% C 0.205 H 270.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#242BB1
RGB	rgb(36, 43, 177)
HSL	hsl(237, 66%, 42%)
HSV	hsv(237, 80%, 69%)
CMYK	cmyk(79.7%, 75.7%, 0%, 30.6%)
CIE-LAB	lab(27.51, 44.71, -70.69)
CIE-LCH	lch(27.51, 83.65, 302.31°)
OKLab	oklab(39.39% 0.0005 -0.2048)
OKLCH	oklch(39.39% 0.205 270.1)
XYZ	xyz(9.5245, 5.2761, 42.1028)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242BB1 #B1AA24

analogous

#2472B1 #242BB1 #6424B1

triadic

#242BB1 #B1242B #2BB124

tetradic

#242BB1 #B12472 #B1AA24 #24B164

square

#242BB1 #B12472 #B1AA24 #24B164

split-complementary

#242BB1 #B16424 #72B124

monochromatic

#0F124B #1A1F7E #242BB1 #3B43D7 #6E74E1

Accessibility & contrast

On white

10.22

#242BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#242BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242BB1

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242BB1	#FFFFFF	#000000	##FFFFFF
##242BB1	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	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: #242bb1;
/* rgb */ color: rgb(36, 43, 177);
/* oklch */ color: oklch(39.4% 0.205 270.1);

Tailwind

colors: {
  custom: {
    50: '#7966ca',
    500: '#242bb1',
    950: '#000000',
  },
}

SCSS

$custom: #242bb1;
$custom-light: #7966ca;
$custom-dark: #000000;

JSON

{
  "hex": "#242bb1",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 177
  },
  "hsl": {
    "h": 237.021,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39393,
    "c": 0.20476,
    "h": 270.1
  },
  "luminance": 0.05277
}

Semantic roles & 50–950 ramp

primary

#242BB1

secondary

#C8C369

accent

#E13FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242BB1

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

Preview Lab → · Contrast checker → · Palette generator →