#243B41#243B41

#243B41 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.031 H 216.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#243B41
RGB	rgb(36, 59, 65)
HSL	hsl(192, 29%, 20%)
HSV	hsv(192, 45%, 25%)
CMYK	cmyk(44.6%, 9.2%, 0%, 74.5%)
CIE-LAB	lab(23.29, -7.13, -6.55)
CIE-LCH	lch(23.29, 9.68, 222.59°)
OKLab	oklab(33.59% -0.0248 -0.018)
OKLCH	oklch(33.59% 0.031 216)
XYZ	xyz(3.2453, 3.8844, 5.5788)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B41 #412A24

analogous

#244139 #243B41 #242D41

triadic

#243B41 #41243B #3B4124

tetradic

#243B41 #392441 #412A24 #2D4124

square

#243B41 #392441 #412A24 #2D4124

split-complementary

#243B41 #41242D #413924

monochromatic

#0B1214 #0E171A #243B41 #3A5F68 #508390

Accessibility & contrast

On white

11.82

#243B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#243B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B41

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B41	#FFFFFF	#000000	##FFFFFF
##243B41	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A41

Deuteranopia (green-blind)

#323641

Tritanopia (blue-blind)

#183D3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #243b41;
/* rgb */ color: rgb(36, 59, 65);
/* oklch */ color: oklch(33.6% 0.031 216.0);

Tailwind

colors: {
  custom: {
    50: '#607175',
    500: '#243b41',
    950: '#000000',
  },
}

SCSS

$custom: #243b41;
$custom-light: #607175;
$custom-dark: #000000;

JSON

{
  "hex": "#243b41",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 65
  },
  "hsl": {
    "h": 192.414,
    "s": 28.713,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3359,
    "c": 0.03061,
    "h": 216
  },
  "luminance": 0.03885
}

Semantic roles & 50–950 ramp

primary

#243B41

secondary

#74554D

accent

#7763C5

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#050708

muted

#797A7B

Preview Lab

Preview with #243B41

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

Preview Lab → · Contrast checker → · Palette generator →