#243E77#243E77

#243E77 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.103 H 263.7°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#243E77
RGB	rgb(36, 62, 119)
HSL	hsl(221, 54%, 30%)
HSV	hsv(221, 70%, 47%)
CMYK	cmyk(69.7%, 47.9%, 0%, 53.3%)
CIE-LAB	lab(27.16, 10.56, -35.63)
CIE-LCH	lch(27.16, 37.16, 286.51°)
OKLab	oklab(37.57% -0.0112 -0.1019)
OKLCH	oklch(37.57% 0.103 263.7)
XYZ	xyz(5.7788, 5.1517, 18.1390)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E77 #775D24

analogous

#246777 #243E77 #342477

triadic

#243E77 #77243E #3E7724

tetradic

#243E77 #772467 #775D24 #247734

square

#243E77 #772467 #775D24 #247734

split-complementary

#243E77 #773424 #677724

monochromatic

#080D19 #162648 #243E77 #3256A6 #4C73C9

Accessibility & contrast

On white

10.34

#243E77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#243E77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E77

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E77	#FFFFFF	#000000	##FFFFFF
##243E77	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214479

Deuteranopia (green-blind)

#123D76

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243e77;
/* rgb */ color: rgb(36, 62, 119);
/* oklch */ color: oklch(37.6% 0.103 263.7);

Tailwind

colors: {
  custom: {
    50: '#69729f',
    500: '#243e77',
    950: '#000000',
  },
}

SCSS

$custom: #243e77;
$custom-light: #69729f;
$custom-dark: #000000;

JSON

{
  "hex": "#243e77",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 119
  },
  "hsl": {
    "h": 221.205,
    "s": 53.548,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37567,
    "c": 0.10254,
    "h": 263.7
  },
  "luminance": 0.05152
}

Semantic roles & 50–950 ramp

primary

#243E77

secondary

#AA8D4D

accent

#AF4BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #243E77

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

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