#242CA9#242CA9

#242CA9 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.194 H 270.4°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#242CA9
RGB	rgb(36, 44, 169)
HSL	hsl(236, 65%, 40%)
HSV	hsv(236, 79%, 66%)
CMYK	cmyk(78.7%, 74%, 0%, 33.7%)
CIE-LAB	lab(26.85, 41.39, -66.98)
CIE-LCH	lch(26.85, 78.74, 301.72°)
OKLab	oklab(38.67% 0.0013 -0.194)
OKLCH	oklch(38.67% 0.194 270.4)
XYZ	xyz(8.7872, 5.0400, 38.0381)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242CA9 #A9A124

analogous

#246EA9 #242CA9 #5E24A9

triadic

#242CA9 #A9242C #2CA924

tetradic

#242CA9 #A9246E #A9A124 #24A95E

square

#242CA9 #A9246E #A9A124 #24A95E

split-complementary

#242CA9 #A95E24 #6EA924

monochromatic

#0F1244 #191F77 #242CA9 #3640D4 #6870DF

Accessibility & contrast

On white

10.46

#242CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#242CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242CA9

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242CA9	#FFFFFF	#000000	##FFFFFF
##242CA9	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#0039A7

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #242ca9;
/* rgb */ color: rgb(36, 44, 169);
/* oklch */ color: oklch(38.7% 0.194 270.4);

Tailwind

colors: {
  custom: {
    50: '#7766c4',
    500: '#242ca9',
    950: '#000000',
  },
}

SCSS

$custom: #242ca9;
$custom-light: #7766c4;
$custom-dark: #000000;

JSON

{
  "hex": "#242ca9",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 169
  },
  "hsl": {
    "h": 236.391,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3867,
    "c": 0.19398,
    "h": 270.4
  },
  "luminance": 0.05041
}

Semantic roles & 50–950 ramp

primary

#242CA9

secondary

#C5BF64

accent

#DE40E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #242CA9

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

Preview Lab → · Contrast checker → · Palette generator →