#042830#042830

#042830 is a dark, muted cyan. Relative luminance 0.018; OKLCH L 25.6% C 0.042 H 216.1°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#042830
RGB	rgb(4, 40, 48)
HSL	hsl(191, 85%, 10%)
HSV	hsv(191, 92%, 19%)
CMYK	cmyk(91.7%, 16.7%, 0%, 81.2%)
CIE-LAB	lab(14.15, -9.12, -8.84)
CIE-LCH	lch(14.15, 12.71, 224.11°)
OKLab	oklab(25.63% -0.0339 -0.0247)
OKLCH	oklch(25.63% 0.042 216.1)
XYZ	xyz(1.3421, 1.7566, 3.0641)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042830 #300C04

analogous

#043022 #042830 #041230

triadic

#042830 #300428 #283004

tetradic

#042830 #220430 #300C04 #123004

square

#042830 #220430 #300C04 #123004

split-complementary

#042830 #300412 #302204

monochromatic

#02181C #02181C #042830 #095768 #0D86A1

Accessibility & contrast

On white

15.54

#042830 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#042830 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042830

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042830	#FFFFFF	#000000	##FFFFFF
##042830	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232630

Deuteranopia (green-blind)

#1D2230

Tritanopia (blue-blind)

#002B2B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #042830;
/* rgb */ color: rgb(4, 40, 48);
/* oklch */ color: oklch(25.6% 0.042 216.1);

Tailwind

colors: {
  custom: {
    50: '#4c6268',
    500: '#042830',
    950: '#000000',
  },
}

SCSS

$custom: #042830;
$custom-light: #4c6268;
$custom-dark: #000000;

JSON

{
  "hex": "#042830",
  "rgb": {
    "r": 4,
    "g": 40,
    "b": 48
  },
  "hsl": {
    "h": 190.909,
    "s": 84.615,
    "l": 10.196
  },
  "oklch": {
    "l": 0.25631,
    "c": 0.04197,
    "h": 216.1
  },
  "luminance": 0.01757
}

Semantic roles & 50–950 ramp

primary

#042830

secondary

#722D1D

accent

#522DFB

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#010506

muted

#77797A

Preview Lab

Preview with #042830

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

Preview Lab → · Contrast checker → · Palette generator →