#243370#243370

#243370 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.107 H 269.6°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#243370
RGB	rgb(36, 51, 112)
HSL	hsl(228, 51%, 29%)
HSV	hsv(228, 68%, 44%)
CMYK	cmyk(67.9%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(23.38, 15.53, -37.26)
CIE-LCH	lch(23.38, 40.37, 292.62°)
OKLab	oklab(34.53% -0.0007 -0.1069)
OKLCH	oklch(34.53% 0.107 269.6)
XYZ	xyz(4.8350, 3.9121, 15.8264)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243370 #706124

analogous

#245970 #243370 #3B2470

triadic

#243370 #702433 #337024

tetradic

#243370 #702459 #706124 #24703B

square

#243370 #702459 #706124 #24703B

split-complementary

#243370 #703B24 #597024

monochromatic

#070B17 #151E42 #243370 #33489E #4A62C5

Accessibility & contrast

On white

11.78

#243370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#243370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243370

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243370	#FFFFFF	#000000	##FFFFFF
##243370	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3B72

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243370;
/* rgb */ color: rgb(36, 51, 112);
/* oklch */ color: oklch(34.5% 0.107 269.6);

Tailwind

colors: {
  custom: {
    50: '#686a99',
    500: '#243370',
    950: '#000000',
  },
}

SCSS

$custom: #243370;
$custom-light: #686a99;
$custom-dark: #000000;

JSON

{
  "hex": "#243370",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 228.158,
    "s": 51.351,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34526,
    "c": 0.10691,
    "h": 269.6
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#243370

secondary

#A3924D

accent

#BF4DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243370

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

Preview Lab → · Contrast checker → · Palette generator →