#283F48#283F48

#283F48 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.033 H 224.5°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#283F48
RGB	rgb(40, 63, 72)
HSL	hsl(197, 29%, 22%)
HSV	hsv(197, 44%, 28%)
CMYK	cmyk(44.4%, 12.5%, 0%, 71.8%)
CIE-LAB	lab(25.18, -6.20, -8.32)
CIE-LCH	lch(25.18, 10.38, 233.29°)
OKLab	oklab(35.25% -0.0233 -0.0229)
OKLCH	oklch(35.25% 0.033 224.5)
XYZ	xyz(3.8219, 4.4738, 6.7918)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F48 #483128

analogous

#284841 #283F48 #282F48

triadic

#283F48 #48283F #3F4828

tetradic

#283F48 #412848 #483128 #2F4828

square

#283F48 #412848 #483128 #2F4828

split-complementary

#283F48 #48282F #484128

monochromatic

#0B1114 #121D21 #283F48 #3E616F #548497

Accessibility & contrast

On white

11.08

#283F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#283F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F48

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F48	#FFFFFF	#000000	##FFFFFF
##283F48	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3E48

Deuteranopia (green-blind)

#353A48

Tritanopia (blue-blind)

#1B4242

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283f48;
/* rgb */ color: rgb(40, 63, 72);
/* oklch */ color: oklch(35.3% 0.033 224.5);

Tailwind

colors: {
  custom: {
    50: '#64747b',
    500: '#283f48',
    950: '#000000',
  },
}

SCSS

$custom: #283f48;
$custom-light: #64747b;
$custom-dark: #000000;

JSON

{
  "hex": "#283f48",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 72
  },
  "hsl": {
    "h": 196.875,
    "s": 28.571,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35254,
    "c": 0.03266,
    "h": 224.5
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#283F48

secondary

#7A5D52

accent

#7E63C5

background

#F6F7F7

surface

#EBEDED

border

#C6C8C8

text

#050809

muted

#7A7B7B

Preview Lab

Preview with #283F48

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

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