#042127#042127

#042127 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 22.9% C 0.036 H 213.9°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#042127
RGB	rgb(4, 33, 39)
HSL	hsl(190, 81%, 8%)
HSV	hsv(190, 90%, 15%)
CMYK	cmyk(89.7%, 15.4%, 0%, 84.7%)
CIE-LAB	lab(10.99, -8.26, -7.20)
CIE-LCH	lch(10.99, 10.96, 221.05°)
OKLab	oklab(22.94% -0.0298 -0.0201)
OKLCH	oklch(22.94% 0.036 213.9)
XYZ	xyz(0.9600, 1.2599, 2.1117)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042127 #270A04

analogous

#04271B #042127 #040F27

triadic

#042127 #270421 #212704

tetradic

#042127 #1B0427 #270A04 #0F2704

square

#042127 #1B0427 #270A04 #0F2704

split-complementary

#042127 #27040F #271B04

monochromatic

#03171C #03171C #042127 #0A505F #0F7F96

Accessibility & contrast

On white

16.77

#042127 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#042127 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042127

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042127	#FFFFFF	#000000	##FFFFFF
##042127	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2027

Deuteranopia (green-blind)

#181C27

Tritanopia (blue-blind)

#002323

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #042127;
/* rgb */ color: rgb(4, 33, 39);
/* oklch */ color: oklch(22.9% 0.036 213.9);

Tailwind

colors: {
  custom: {
    50: '#4a5c61',
    500: '#042127',
    950: '#000000',
  },
}

SCSS

$custom: #042127;
$custom-light: #4a5c61;
$custom-dark: #000000;

JSON

{
  "hex": "#042127",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 39
  },
  "hsl": {
    "h": 190.286,
    "s": 81.395,
    "l": 8.431
  },
  "oklch": {
    "l": 0.22942,
    "c": 0.03594,
    "h": 213.9
  },
  "luminance": 0.0126
}

Semantic roles & 50–950 ramp

primary

#042127

secondary

#6A2A1D

accent

#5230F8

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010405

muted

#777979

Preview Lab

Preview with #042127

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

Preview Lab → · Contrast checker → · Palette generator →