#243A52#243A52

#243A52 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.051 H 251.5°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#243A52
RGB	rgb(36, 58, 82)
HSL	hsl(211, 39%, 23%)
HSV	hsv(211, 56%, 32%)
CMYK	cmyk(56.1%, 29.3%, 0%, 67.8%)
CIE-LAB	lab(23.70, -0.73, -17.21)
CIE-LCH	lch(23.70, 17.23, 267.58°)
OKLab	oklab(34.17% -0.0161 -0.0482)
OKLCH	oklch(34.17% 0.051 251.5)
XYZ	xyz(3.7631, 4.0101, 8.5567)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A52 #523C24

analogous

#245152 #243A52 #252452

triadic

#243A52 #52243A #3A5224

tetradic

#243A52 #522451 #523C24 #245225

square

#243A52 #522451 #523C24 #245225

split-complementary

#243A52 #522524 #515224

monochromatic

#090F15 #111C27 #243A52 #37587D #4976A7

Accessibility & contrast

On white

11.65

#243A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A52

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A52	#FFFFFF	#000000	##FFFFFF
##243A52	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B53

Deuteranopia (green-blind)

#2B3652

Tritanopia (blue-blind)

#0C3F42

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243a52;
/* rgb */ color: rgb(36, 58, 82);
/* oklch */ color: oklch(34.2% 0.051 251.5);

Tailwind

colors: {
  custom: {
    50: '#627082',
    500: '#243a52',
    950: '#000000',
  },
}

SCSS

$custom: #243a52;
$custom-light: #627082;
$custom-dark: #000000;

JSON

{
  "hex": "#243a52",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 82
  },
  "hsl": {
    "h": 211.304,
    "s": 38.983,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34172,
    "c": 0.05082,
    "h": 251.5
  },
  "luminance": 0.0401
}

Semantic roles & 50–950 ramp

primary

#243A52

secondary

#866A4C

accent

#9659CF

background

#F5F6F8

surface

#EAECEF

border

#C6C7CA

text

#05070A

muted

#797A7C

Preview Lab

Preview with #243A52

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

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