#243F52#243F52

#243F52 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.047 H 240.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#243F52
RGB	rgb(36, 63, 82)
HSL	hsl(205, 39%, 23%)
HSV	hsv(205, 56%, 32%)
CMYK	cmyk(56.1%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(25.38, -4.04, -14.62)
CIE-LCH	lch(25.38, 15.17, 254.54°)
OKLab	oklab(35.49% -0.023 -0.0407)
OKLCH	oklch(35.49% 0.047 240.5)
XYZ	xyz(4.0275, 4.5390, 8.6449)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F52 #523724

analogous

#24524E #243F52 #242852

triadic

#243F52 #52243F #3F5224

tetradic

#243F52 #4E2452 #523724 #285224

square

#243F52 #4E2452 #523724 #285224

split-complementary

#243F52 #522428 #524E24

monochromatic

#091015 #111E27 #243F52 #37607D #4980A7

Accessibility & contrast

On white

11.01

#243F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#243F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F52

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F52	#FFFFFF	#000000	##FFFFFF
##243F52	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F53

Deuteranopia (green-blind)

#303A52

Tritanopia (blue-blind)

#0B4445

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243f52;
/* rgb */ color: rgb(36, 63, 82);
/* oklch */ color: oklch(35.5% 0.047 240.5);

Tailwind

colors: {
  custom: {
    50: '#627482',
    500: '#243f52',
    950: '#000000',
  },
}

SCSS

$custom: #243f52;
$custom-light: #627482;
$custom-dark: #000000;

JSON

{
  "hex": "#243f52",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 204.783,
    "s": 38.983,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35492,
    "c": 0.04679,
    "h": 240.5
  },
  "luminance": 0.04539
}

Semantic roles & 50–950 ramp

primary

#243F52

secondary

#86644C

accent

#8A59CF

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #243F52

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

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