#243183#243183

#243183 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.138 H 270.8°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#243183
RGB	rgb(36, 49, 131)
HSL	hsl(232, 57%, 33%)
HSV	hsv(232, 73%, 51%)
CMYK	cmyk(72.5%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(24.35, 24.27, -47.73)
CIE-LCH	lch(24.35, 53.55, 296.96°)
OKLab	oklab(35.74% 0.0019 -0.1377)
OKLCH	oklch(35.74% 0.138 270.8)
XYZ	xyz(5.9212, 4.2098, 21.9688)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243183 #837624

analogous

#246183 #243183 #462483

triadic

#243183 #832431 #318324

tetradic

#243183 #832461 #837624 #248346

square

#243183 #832461 #837624 #248346

split-complementary

#243183 #834624 #618324

monochromatic

#0A0D23 #171F53 #243183 #3143B3 #5263CF

Accessibility & contrast

On white

11.40

#243183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#243183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243183

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243183	#FFFFFF	#000000	##FFFFFF
##243183	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243183;
/* rgb */ color: rgb(36, 49, 131);
/* oklch */ color: oklch(35.7% 0.138 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d69a8',
    500: '#243183',
    950: '#000000',
  },
}

SCSS

$custom: #243183;
$custom-light: #6d69a8;
$custom-dark: #000000;

JSON

{
  "hex": "#243183",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 231.789,
    "s": 56.886,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35739,
    "c": 0.13772,
    "h": 270.8
  },
  "luminance": 0.0421
}

Semantic roles & 50–950 ramp

primary

#243183

secondary

#B3A64F

accent

#CB48E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243183

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

Preview Lab → · Contrast checker → · Palette generator →