#243786#243786

#243786 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.134 H 268.7°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#243786
RGB	rgb(36, 55, 134)
HSL	hsl(228, 58%, 33%)
HSV	hsv(228, 73%, 53%)
CMYK	cmyk(73.1%, 59%, 0%, 47.5%)
CIE-LAB	lab(26.24, 21.30, -46.53)
CIE-LCH	lch(26.24, 51.18, 294.60°)
OKLab	oklab(37.22% -0.003 -0.1341)
OKLCH	oklch(37.22% 0.134 268.7)
XYZ	xyz(6.3953, 4.8280, 23.1445)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243786 #867324

analogous

#246886 #243786 #422486

triadic

#243786 #862437 #378624

tetradic

#243786 #862468 #867324 #248642

square

#243786 #862468 #867324 #248642

split-complementary

#243786 #864224 #688624

monochromatic

#0A0F26 #172356 #243786 #314BB6 #536CD1

Accessibility & contrast

On white

10.68

#243786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#243786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243786

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243786	#FFFFFF	#000000	##FFFFFF
##243786	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243786;
/* rgb */ color: rgb(36, 55, 134);
/* oklch */ color: oklch(37.2% 0.134 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d6daa',
    500: '#243786',
    950: '#000000',
  },
}

SCSS

$custom: #243786;
$custom-light: #6d6daa;
$custom-dark: #000000;

JSON

{
  "hex": "#243786",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 134
  },
  "hsl": {
    "h": 228.367,
    "s": 57.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37221,
    "c": 0.13416,
    "h": 268.7
  },
  "luminance": 0.04829
}

Semantic roles & 50–950 ramp

primary

#243786

secondary

#B5A251

accent

#C347E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243786

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

Preview Lab → · Contrast checker → · Palette generator →