#242CA6#242CA6

#242CA6 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.190 H 270.5°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#242CA6
RGB	rgb(36, 44, 166)
HSL	hsl(236, 64%, 40%)
HSV	hsv(236, 78%, 65%)
CMYK	cmyk(78.3%, 73.5%, 0%, 34.9%)
CIE-LAB	lab(26.53, 40.35, -65.70)
CIE-LCH	lch(26.53, 77.10, 301.56°)
OKLab	oklab(38.35% 0.0018 -0.1902)
OKLCH	oklch(38.35% 0.19 270.5)
XYZ	xyz(8.5088, 4.9287, 36.5719)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242CA6 #A69E24

analogous

#246DA6 #242CA6 #5D24A6

triadic

#242CA6 #A6242C #2CA624

tetradic

#242CA6 #A6246D #A69E24 #24A65D

square

#242CA6 #A6246D #A69E24 #24A65D

split-complementary

#242CA6 #A65D24 #6DA624

monochromatic

#0E1141 #191F74 #242CA6 #343ED3 #666EDE

Accessibility & contrast

On white

10.57

#242CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#242CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242CA6

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242CA6	#FFFFFF	#000000	##FFFFFF
##242CA6	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#0038A4

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #242ca6;
/* rgb */ color: rgb(36, 44, 166);
/* oklch */ color: oklch(38.3% 0.190 270.5);

Tailwind

colors: {
  custom: {
    50: '#7666c2',
    500: '#242ca6',
    950: '#000000',
  },
}

SCSS

$custom: #242ca6;
$custom-light: #7666c2;
$custom-dark: #000000;

JSON

{
  "hex": "#242ca6",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 166
  },
  "hsl": {
    "h": 236.308,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38348,
    "c": 0.19025,
    "h": 270.5
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#242CA6

secondary

#C4BE62

accent

#DD40E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #242CA6

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

Preview Lab → · Contrast checker → · Palette generator →