#243F50#243F50

#243F50 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.044 H 237.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#243F50
RGB	rgb(36, 63, 80)
HSL	hsl(203, 38%, 23%)
HSV	hsv(203, 55%, 31%)
CMYK	cmyk(55%, 21.2%, 0%, 68.6%)
CIE-LAB	lab(25.29, -4.74, -13.45)
CIE-LCH	lch(25.29, 14.26, 250.59°)
OKLab	oklab(35.39% -0.0238 -0.0374)
OKLCH	oklch(35.39% 0.044 237.5)
XYZ	xyz(3.9525, 4.5090, 8.2499)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F50 #503524

analogous

#24504B #243F50 #242950

triadic

#243F50 #50243F #3F5024

tetradic

#243F50 #4B2450 #503524 #295024

square

#243F50 #4B2450 #503524 #295024

split-complementary

#243F50 #502429 #504B24

monochromatic

#091115 #111E26 #243F50 #37607A #4A81A4

Accessibility & contrast

On white

11.04

#243F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#243F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F50

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F50	#FFFFFF	#000000	##FFFFFF
##243F50	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F51

Deuteranopia (green-blind)

#313A50

Tritanopia (blue-blind)

#0D4345

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243f50;
/* rgb */ color: rgb(36, 63, 80);
/* oklch */ color: oklch(35.4% 0.044 237.5);

Tailwind

colors: {
  custom: {
    50: '#627481',
    500: '#243f50',
    950: '#000000',
  },
}

SCSS

$custom: #243f50;
$custom-light: #627481;
$custom-dark: #000000;

JSON

{
  "hex": "#243f50",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 203.182,
    "s": 37.931,
    "l": 22.745
  },
  "oklch": {
    "l": 0.35389,
    "c": 0.04435,
    "h": 237.5
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#243F50

secondary

#83624C

accent

#875ACE

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #243F50

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

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