#243F82#243F82

#243F82 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.118 H 264.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#243F82
RGB	rgb(36, 63, 130)
HSL	hsl(223, 57%, 33%)
HSV	hsv(223, 72%, 51%)
CMYK	cmyk(72.3%, 51.5%, 0%, 49%)
CIE-LAB	lab(28.22, 14.19, -40.83)
CIE-LCH	lch(28.22, 43.22, 289.17°)
OKLab	oklab(38.62% -0.0105 -0.1172)
OKLCH	oklch(38.62% 0.118 264.9)
XYZ	xyz(6.5329, 5.5411, 21.8400)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F82 #826724

analogous

#246E82 #243F82 #382482

triadic

#243F82 #82243F #3F8224

tetradic

#243F82 #82246E #826724 #248238

square

#243F82 #82246E #826724 #248238

split-complementary

#243F82 #823824 #6E8224

monochromatic

#091122 #172852 #243F82 #3156B2 #5176CF

Accessibility & contrast

On white

9.96

#243F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#243F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F82

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F82	#FFFFFF	#000000	##FFFFFF
##243F82	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184784

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #243f82;
/* rgb */ color: rgb(36, 63, 130);
/* oklch */ color: oklch(38.6% 0.118 264.9);

Tailwind

colors: {
  custom: {
    50: '#6b73a7',
    500: '#243f82',
    950: '#000000',
  },
}

SCSS

$custom: #243f82;
$custom-light: #6b73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#243f82",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 130
  },
  "hsl": {
    "h": 222.766,
    "s": 56.627,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38623,
    "c": 0.11767,
    "h": 264.9
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#243F82

secondary

#B3964F

accent

#B448E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243F82

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

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