#243374#243374

#243374 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.9% C 0.113 H 269.8°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#243374
RGB	rgb(36, 51, 116)
HSL	hsl(229, 53%, 30%)
HSV	hsv(229, 69%, 45%)
CMYK	cmyk(69%, 56%, 0%, 54.5%)
CIE-LAB	lab(23.68, 17.08, -39.33)
CIE-LCH	lch(23.68, 42.88, 293.48°)
OKLab	oklab(34.85% -0.0003 -0.113)
OKLCH	oklch(34.85% 0.113 269.8)
XYZ	xyz(5.0627, 4.0032, 17.0255)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243374 #746524

analogous

#245B74 #243374 #3D2474

triadic

#243374 #742433 #337424

tetradic

#243374 #74245B #746524 #24743D

square

#243374 #74245B #746524 #24743D

split-complementary

#243374 #743D24 #5B7424

monochromatic

#070A17 #161E45 #243374 #3248A3 #4B62C7

Accessibility & contrast

On white

11.66

#243374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243374

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243374	#FFFFFF	#000000	##FFFFFF
##243374	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063C76

Deuteranopia (green-blind)

#003573

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243374;
/* rgb */ color: rgb(36, 51, 116);
/* oklch */ color: oklch(34.9% 0.113 269.8);

Tailwind

colors: {
  custom: {
    50: '#696a9c',
    500: '#243374',
    950: '#000000',
  },
}

SCSS

$custom: #243374;
$custom-light: #696a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#243374",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 228.75,
    "s": 52.632,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34852,
    "c": 0.113,
    "h": 269.8
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary

#243374

secondary

#A7964D

accent

#C14CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243374

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

Preview Lab → · Contrast checker → · Palette generator →