#243181#243181

#243181 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.135 H 270.8°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#243181
RGB	rgb(36, 49, 129)
HSL	hsl(232, 56%, 32%)
HSV	hsv(232, 72%, 51%)
CMYK	cmyk(72.1%, 62%, 0%, 49.4%)
CIE-LAB	lab(24.18, 23.51, -46.75)
CIE-LCH	lch(24.18, 52.33, 296.69°)
OKLab	oklab(35.56% 0.0019 -0.1348)
OKLCH	oklch(35.56% 0.135 270.8)
XYZ	xyz(5.7870, 4.1561, 21.2619)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243181 #817424

analogous

#246081 #243181 #462481

triadic

#243181 #812431 #318124

tetradic

#243181 #812460 #817424 #248146

square

#243181 #812460 #817424 #248146

split-complementary

#243181 #814624 #608124

monochromatic

#090D21 #171F51 #243181 #3143B1 #5163CE

Accessibility & contrast

On white

11.47

#243181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#243181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243181

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243181	#FFFFFF	#000000	##FFFFFF
##243181	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00357F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243181;
/* rgb */ color: rgb(36, 49, 129);
/* oklch */ color: oklch(35.6% 0.135 270.8);

Tailwind

colors: {
  custom: {
    50: '#6c69a6',
    500: '#243181',
    950: '#000000',
  },
}

SCSS

$custom: #243181;
$custom-light: #6c69a6;
$custom-dark: #000000;

JSON

{
  "hex": "#243181",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 231.613,
    "s": 56.364,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35557,
    "c": 0.13486,
    "h": 270.8
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary

#243181

secondary

#B2A44E

accent

#CA48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #243181

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

Preview Lab → · Contrast checker → · Palette generator →