#243379#243379

#243379 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.120 H 270.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#243379
RGB	rgb(36, 51, 121)
HSL	hsl(229, 54%, 31%)
HSV	hsv(229, 70%, 47%)
CMYK	cmyk(70.2%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(24.07, 19.03, -41.88)
CIE-LCH	lch(24.07, 46.00, 294.44°)
OKLab	oklab(35.27% 0 -0.1205)
OKLCH	oklch(35.27% 0.12 270)
XYZ	xyz(5.3614, 4.1227, 18.5987)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243379 #796A24

analogous

#245D79 #243379 #3F2479

triadic

#243379 #792433 #337924

tetradic

#243379 #79245D #796A24 #24793F

square

#243379 #79245D #796A24 #24793F

split-complementary

#243379 #793F24 #5D7924

monochromatic

#080B1B #161F4A #243379 #3247A8 #4D63CA

Accessibility & contrast

On white

11.51

#243379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#243379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243379

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243379	#FFFFFF	#000000	##FFFFFF
##243379	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7B

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243379;
/* rgb */ color: rgb(36, 51, 121);
/* oklch */ color: oklch(35.3% 0.120 270.0);

Tailwind

colors: {
  custom: {
    50: '#6a6aa0',
    500: '#243379',
    950: '#000000',
  },
}

SCSS

$custom: #243379;
$custom-light: #6a6aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#243379",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 229.412,
    "s": 54.14,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35269,
    "c": 0.12049,
    "h": 270
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#243379

secondary

#AC9B4D

accent

#C44ADE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #243379

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

Preview Lab → · Contrast checker → · Palette generator →