#283F46#283F46

#283F46 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.031 H 218.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#283F46
RGB	rgb(40, 63, 70)
HSL	hsl(194, 27%, 22%)
HSV	hsv(194, 43%, 27%)
CMYK	cmyk(42.9%, 10%, 0%, 72.5%)
CIE-LAB	lab(25.10, -6.83, -7.12)
CIE-LCH	lch(25.10, 9.86, 226.19°)
OKLab	oklab(35.17% -0.0242 -0.0195)
OKLCH	oklch(35.17% 0.031 218.9)
XYZ	xyz(3.7577, 4.4481, 6.4537)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F46 #462F28

analogous

#28463E #283F46 #283046

triadic

#283F46 #46283F #3F4628

tetradic

#283F46 #3E2846 #462F28 #304628

square

#283F46 #3E2846 #462F28 #304628

split-complementary

#283F46 #462830 #463E28

monochromatic

#0B1213 #121C1F #283F46 #3E626D #558594

Accessibility & contrast

On white

11.11

#283F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#283F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F46

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F46	#FFFFFF	#000000	##FFFFFF
##283F46	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3E46

Deuteranopia (green-blind)

#363A46

Tritanopia (blue-blind)

#1C4141

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283f46;
/* rgb */ color: rgb(40, 63, 70);
/* oklch */ color: oklch(35.2% 0.031 218.9);

Tailwind

colors: {
  custom: {
    50: '#637479',
    500: '#283f46',
    950: '#000000',
  },
}

SCSS

$custom: #283f46;
$custom-light: #637479;
$custom-dark: #000000;

JSON

{
  "hex": "#283f46",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 70
  },
  "hsl": {
    "h": 194,
    "s": 27.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.35165,
    "c": 0.03111,
    "h": 218.9
  },
  "luminance": 0.04448
}

Semantic roles & 50–950 ramp

primary

#283F46

secondary

#785B52

accent

#7A64C4

background

#F6F7F7

surface

#EBEDED

border

#C6C8C8

text

#050809

muted

#7A7B7B

Preview Lab

Preview with #283F46

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

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