#243373#243373

#243373 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.111 H 269.8°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#243373
RGB	rgb(36, 51, 115)
HSL	hsl(229, 52%, 30%)
HSV	hsv(229, 69%, 45%)
CMYK	cmyk(68.7%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(23.61, 16.69, -38.82)
CIE-LCH	lch(23.61, 42.25, 293.27°)
OKLab	oklab(34.77% -0.0004 -0.1115)
OKLCH	oklch(34.77% 0.111 269.8)
XYZ	xyz(5.0048, 3.9801, 16.7208)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243373 #736424

analogous

#245A73 #243373 #3D2473

triadic

#243373 #732433 #337324

tetradic

#243373 #73245A #736424 #24733D

square

#243373 #73245A #736424 #24733D

split-complementary

#243373 #733D24 #5A7324

monochromatic

#070A17 #151E44 #243373 #3348A2 #4B62C7

Accessibility & contrast

On white

11.69

#243373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243373

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243373	#FFFFFF	#000000	##FFFFFF
##243373	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083C75

Deuteranopia (green-blind)

#003572

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243373;
/* rgb */ color: rgb(36, 51, 115);
/* oklch */ color: oklch(34.8% 0.111 269.8);

Tailwind

colors: {
  custom: {
    50: '#696a9c',
    500: '#243373',
    950: '#000000',
  },
}

SCSS

$custom: #243373;
$custom-light: #696a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#243373",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 228.608,
    "s": 52.318,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3477,
    "c": 0.11149,
    "h": 269.8
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#243373

secondary

#A6954D

accent

#C04CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243373

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

Preview Lab → · Contrast checker → · Palette generator →