#283A48#283A48

#283A48 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.034 H 242.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#283A48
RGB	rgb(40, 58, 72)
HSL	hsl(206, 29%, 22%)
HSV	hsv(206, 44%, 28%)
CMYK	cmyk(44.4%, 19.4%, 0%, 71.8%)
CIE-LAB	lab(23.49, -2.96, -10.89)
CIE-LCH	lch(23.49, 11.28, 254.80°)
OKLab	oklab(33.91% -0.0158 -0.0301)
OKLCH	oklch(33.91% 0.034 242.4)
XYZ	xyz(3.5574, 3.9449, 6.7036)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A48 #483628

analogous

#284846 #283A48 #282A48

triadic

#283A48 #48283A #3A4828

tetradic

#283A48 #462848 #483628 #2A4828

square

#283A48 #462848 #483628 #2A4828

split-complementary

#283A48 #48282A #484628

monochromatic

#0B1014 #121A21 #283A48 #3E5A6F #547997

Accessibility & contrast

On white

11.74

#283A48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#283A48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A48

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A48	#FFFFFF	#000000	##FFFFFF
##283A48	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343A49

Deuteranopia (green-blind)

#303648

Tritanopia (blue-blind)

#1C3D3F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #283a48;
/* rgb */ color: rgb(40, 58, 72);
/* oklch */ color: oklch(33.9% 0.034 242.4);

Tailwind

colors: {
  custom: {
    50: '#63707b',
    500: '#283a48',
    950: '#000000',
  },
}

SCSS

$custom: #283a48;
$custom-light: #63707b;
$custom-dark: #000000;

JSON

{
  "hex": "#283a48",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 72
  },
  "hsl": {
    "h": 206.25,
    "s": 28.571,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33914,
    "c": 0.03397,
    "h": 242.4
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#283A48

secondary

#7A6352

accent

#8E63C5

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#050709

muted

#7A7A7B

Preview Lab

Preview with #283A48

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

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