#243D82#243D82

#243D82 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.120 H 265.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#243D82
RGB	rgb(36, 61, 130)
HSL	hsl(224, 57%, 33%)
HSV	hsv(224, 72%, 51%)
CMYK	cmyk(72.3%, 53.1%, 0%, 49%)
CIE-LAB	lab(27.64, 15.58, -41.77)
CIE-LCH	lch(27.64, 44.58, 290.45°)
OKLab	oklab(38.18% -0.0086 -0.12)
OKLCH	oklch(38.18% 0.12 265.9)
XYZ	xyz(6.4242, 5.3236, 21.8038)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D82 #826924

analogous

#246C82 #243D82 #3A2482

triadic

#243D82 #82243D #3D8224

tetradic

#243D82 #82246C #826924 #24823A

square

#243D82 #82246C #826924 #24823A

split-complementary

#243D82 #823A24 #6C8224

monochromatic

#091022 #172752 #243D82 #3153B2 #5173CF

Accessibility & contrast

On white

10.17

#243D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#243D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D82

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D82	#FFFFFF	#000000	##FFFFFF
##243D82	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124684

Deuteranopia (green-blind)

#003D81

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243d82;
/* rgb */ color: rgb(36, 61, 130);
/* oklch */ color: oklch(38.2% 0.120 265.9);

Tailwind

colors: {
  custom: {
    50: '#6b72a7',
    500: '#243d82',
    950: '#000000',
  },
}

SCSS

$custom: #243d82;
$custom-light: #6b72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#243d82",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 224.043,
    "s": 56.627,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38177,
    "c": 0.12033,
    "h": 265.9
  },
  "luminance": 0.05324
}

Semantic roles & 50–950 ramp

primary

#243D82

secondary

#B3984F

accent

#B748E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #243D82

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

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