#243788#243788

#243788 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.137 H 268.8°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#243788
RGB	rgb(36, 55, 136)
HSL	hsl(229, 58%, 34%)
HSV	hsv(229, 74%, 53%)
CMYK	cmyk(73.5%, 59.6%, 0%, 46.7%)
CIE-LAB	lab(26.40, 22.08, -47.51)
CIE-LCH	lch(26.40, 52.39, 294.92°)
OKLab	oklab(37.4% -0.0029 -0.137)
OKLCH	oklch(37.4% 0.137 268.8)
XYZ	xyz(6.5361, 4.8843, 23.8861)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243788 #887524

analogous

#246988 #243788 #432488

triadic

#243788 #882437 #378824

tetradic

#243788 #882469 #887524 #248843

square

#243788 #882469 #887524 #248843

split-complementary

#243788 #884324 #698824

monochromatic

#0A1027 #172358 #243788 #314BB8 #556CD2

Accessibility & contrast

On white

10.62

#243788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#243788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243788

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243788	#FFFFFF	#000000	##FFFFFF
##243788	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243788;
/* rgb */ color: rgb(36, 55, 136);
/* oklch */ color: oklch(37.4% 0.137 268.8);

Tailwind

colors: {
  custom: {
    50: '#6d6dab',
    500: '#243788',
    950: '#000000',
  },
}

SCSS

$custom: #243788;
$custom-light: #6d6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#243788",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 136
  },
  "hsl": {
    "h": 228.6,
    "s": 58.14,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37395,
    "c": 0.13703,
    "h": 268.8
  },
  "luminance": 0.04885
}

Semantic roles & 50–950 ramp

primary

#243788

secondary

#B6A352

accent

#C446E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243788

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

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