#283C44#283C44

#283C44 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.029 H 224.8°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#283C44
RGB	rgb(40, 60, 68)
HSL	hsl(197, 26%, 21%)
HSV	hsv(197, 41%, 27%)
CMYK	cmyk(41.2%, 11.8%, 0%, 73.3%)
CIE-LAB	lab(24.00, -5.53, -7.45)
CIE-LCH	lch(24.00, 9.28, 233.43°)
OKLab	oklab(34.26% -0.0206 -0.0204)
OKLCH	oklch(34.26% 0.029 224.8)
XYZ	xyz(3.5340, 4.1000, 6.0729)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C44 #443028

analogous

#28443E #283C44 #282E44

triadic

#283C44 #44283C #3C4428

tetradic

#283C44 #3E2844 #443028 #2E4428

square

#283C44 #3E2844 #443028 #2E4428

split-complementary

#283C44 #44282E #443E28

monochromatic

#0B1113 #111A1D #283C44 #3F5E6B #558091

Accessibility & contrast

On white

11.54

#283C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#283C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C44

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C44	#FFFFFF	#000000	##FFFFFF
##283C44	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383B44

Deuteranopia (green-blind)

#333844

Tritanopia (blue-blind)

#1E3E3E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283c44;
/* rgb */ color: rgb(40, 60, 68);
/* oklch */ color: oklch(34.3% 0.029 224.8);

Tailwind

colors: {
  custom: {
    50: '#637177',
    500: '#283c44',
    950: '#000000',
  },
}

SCSS

$custom: #283c44;
$custom-light: #637177;
$custom-dark: #000000;

JSON

{
  "hex": "#283c44",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 68
  },
  "hsl": {
    "h": 197.143,
    "s": 25.926,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34263,
    "c": 0.02903,
    "h": 224.8
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#283C44

secondary

#765C52

accent

#8065C2

background

#F5F6F7

surface

#EAECED

border

#C6C7C8

text

#050708

muted

#797A7B

Preview Lab

Preview with #283C44

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

Preview Lab → · Contrast checker → · Palette generator →