#242CA8#242CA8

#242CA8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.193 H 270.4°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#242CA8
RGB	rgb(36, 44, 168)
HSL	hsl(236, 65%, 40%)
HSV	hsv(236, 79%, 66%)
CMYK	cmyk(78.6%, 73.8%, 0%, 34.1%)
CIE-LAB	lab(26.74, 41.05, -66.55)
CIE-LCH	lch(26.74, 78.19, 301.66°)
OKLab	oklab(38.56% 0.0015 -0.1927)
OKLCH	oklch(38.56% 0.193 270.4)
XYZ	xyz(8.6937, 5.0026, 37.5456)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242CA8 #A8A024

analogous

#246EA8 #242CA8 #5E24A8

triadic

#242CA8 #A8242C #2CA824

tetradic

#242CA8 #A8246E #A8A024 #24A85E

square

#242CA8 #A8246E #A8A024 #24A85E

split-complementary

#242CA8 #A85E24 #6EA824

monochromatic

#0E1243 #191F76 #242CA8 #353FD4 #686FDF

Accessibility & contrast

On white

10.50

#242CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#242CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242CA8

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242CA8	#FFFFFF	#000000	##FFFFFF
##242CA8	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #242ca8;
/* rgb */ color: rgb(36, 44, 168);
/* oklch */ color: oklch(38.6% 0.193 270.4);

Tailwind

colors: {
  custom: {
    50: '#7666c3',
    500: '#242ca8',
    950: '#000000',
  },
}

SCSS

$custom: #242ca8;
$custom-light: #7666c3;
$custom-dark: #000000;

JSON

{
  "hex": "#242ca8",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 168
  },
  "hsl": {
    "h": 236.364,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.38562,
    "c": 0.19275,
    "h": 270.4
  },
  "luminance": 0.05004
}

Semantic roles & 50–950 ramp

primary

#242CA8

secondary

#C4BF63

accent

#DE40E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #242CA8

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

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