#243F76#243F76

#243F76 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.100 H 262.9°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#243F76
RGB	rgb(36, 63, 118)
HSL	hsl(220, 53%, 30%)
HSV	hsv(220, 69%, 46%)
CMYK	cmyk(69.5%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.40, 9.48, -34.62)
CIE-LCH	lch(27.40, 35.89, 285.32°)
OKLab	oklab(37.73% -0.0124 -0.0989)
OKLCH	oklch(37.73% 0.1 262.9)
XYZ	xyz(5.7739, 5.2375, 17.8427)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F76 #765B24

analogous

#246876 #243F76 #322476

triadic

#243F76 #76243F #3F7624

tetradic

#243F76 #762468 #765B24 #247632

square

#243F76 #762468 #765B24 #247632

split-complementary

#243F76 #763224 #687624

monochromatic

#070D18 #162647 #243F76 #3258A5 #4C75C8

Accessibility & contrast

On white

10.26

#243F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#243F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F76

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F76	#FFFFFF	#000000	##FFFFFF
##243F76	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244578

Deuteranopia (green-blind)

#163D75

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243f76;
/* rgb */ color: rgb(36, 63, 118);
/* oklch */ color: oklch(37.7% 0.100 262.9);

Tailwind

colors: {
  custom: {
    50: '#69739e',
    500: '#243f76',
    950: '#000000',
  },
}

SCSS

$custom: #243f76;
$custom-light: #69739e;
$custom-dark: #000000;

JSON

{
  "hex": "#243f76",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 220.244,
    "s": 53.247,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.09972,
    "h": 262.9
  },
  "luminance": 0.05238
}

Semantic roles & 50–950 ramp

primary

#243F76

secondary

#A98B4D

accent

#AD4BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #243F76

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

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