#243151#243151

#243151 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 31.8% C 0.060 H 266.3°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#243151
RGB	rgb(36, 49, 81)
HSL	hsl(223, 38%, 23%)
HSV	hsv(223, 56%, 32%)
CMYK	cmyk(55.6%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(20.70, 5.12, -21.26)
CIE-LCH	lch(20.70, 21.87, 283.54°)
OKLab	oklab(31.81% -0.0039 -0.06)
OKLCH	oklch(31.81% 0.06 266.3)
XYZ	xyz(3.3106, 3.1656, 8.2195)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243151 #514424

analogous

#244751 #243151 #2D2451

triadic

#243151 #512431 #315124

tetradic

#243151 #512447 #514424 #24512D

square

#243151 #512447 #514424 #24512D

split-complementary

#243151 #512D24 #475124

monochromatic

#090D15 #111727 #243151 #374B7B #4A64A6

Accessibility & contrast

On white

12.86

#243151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#243151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243151

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243151	#FFFFFF	#000000	##FFFFFF
##243151	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253452

Deuteranopia (green-blind)

#203050

Tritanopia (blue-blind)

#10383D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #243151;
/* rgb */ color: rgb(36, 49, 81);
/* oklch */ color: oklch(31.8% 0.060 266.3);

Tailwind

colors: {
  custom: {
    50: '#626882',
    500: '#243151',
    950: '#000000',
  },
}

SCSS

$custom: #243151;
$custom-light: #626882;
$custom-dark: #000000;

JSON

{
  "hex": "#243151",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 222.667,
    "s": 38.462,
    "l": 22.941
  },
  "oklch": {
    "l": 0.31807,
    "c": 0.06012,
    "h": 266.3
  },
  "luminance": 0.03166
}

Semantic roles & 50–950 ramp

primary

#243151

secondary

#85744C

accent

#AD59CE

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #243151

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

Preview Lab → · Contrast checker → · Palette generator →