#243A82#243A82

#243A82 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.124 H 267.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#243A82
RGB	rgb(36, 58, 130)
HSL	hsl(226, 57%, 33%)
HSV	hsv(226, 72%, 51%)
CMYK	cmyk(72.3%, 55.4%, 0%, 49%)
CIE-LAB	lab(26.77, 17.66, -43.18)
CIE-LCH	lch(26.77, 46.65, 292.25°)
OKLab	oklab(37.52% -0.0059 -0.1242)
OKLCH	oklch(37.52% 0.124 267.3)
XYZ	xyz(6.2685, 5.0123, 21.7519)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A82 #826C24

analogous

#246982 #243A82 #3D2482

triadic

#243A82 #82243A #3A8224

tetradic

#243A82 #822469 #826C24 #24823D

square

#243A82 #822469 #826C24 #24823D

split-complementary

#243A82 #823D24 #698224

monochromatic

#090F22 #172552 #243A82 #314FB2 #516FCF

Accessibility & contrast

On white

10.49

#243A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#243A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A82

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A82	#FFFFFF	#000000	##FFFFFF
##243A82	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054485

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243a82;
/* rgb */ color: rgb(36, 58, 130);
/* oklch */ color: oklch(37.5% 0.124 267.3);

Tailwind

colors: {
  custom: {
    50: '#6c6fa7',
    500: '#243a82',
    950: '#000000',
  },
}

SCSS

$custom: #243a82;
$custom-light: #6c6fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#243a82",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 130
  },
  "hsl": {
    "h": 225.957,
    "s": 56.627,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3752,
    "c": 0.12434,
    "h": 267.3
  },
  "luminance": 0.05013
}

Semantic roles & 50–950 ramp

primary

#243A82

secondary

#B39B4F

accent

#BC48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #243A82

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

Preview Lab → · Contrast checker → · Palette generator →