#042B33#042B33

#042B33 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.7% C 0.044 H 214.8°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#042B33
RGB	rgb(4, 43, 51)
HSL	hsl(190, 85%, 11%)
HSV	hsv(190, 92%, 20%)
CMYK	cmyk(92.2%, 15.7%, 0%, 80%)
CIE-LAB	lab(15.45, -9.82, -8.98)
CIE-LCH	lch(15.45, 13.31, 222.45°)
OKLab	oklab(26.72% -0.036 -0.0251)
OKLCH	oklch(26.72% 0.044 214.8)
XYZ	xyz(1.5112, 1.9924, 3.4362)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B33 #330C04

analogous

#043323 #042B33 #041333

triadic

#042B33 #33042B #2B3304

tetradic

#042B33 #230433 #330C04 #133304

square

#042B33 #230433 #330C04 #133304

split-complementary

#042B33 #330413 #332304

monochromatic

#02181C #02181C #042B33 #085B6C #0D8BA4

Accessibility & contrast

On white

15.02

#042B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#042B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B33

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B33	#FFFFFF	#000000	##FFFFFF
##042B33	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252933

Deuteranopia (green-blind)

#1F2533

Tritanopia (blue-blind)

#002E2D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #042b33;
/* rgb */ color: rgb(4, 43, 51);
/* oklch */ color: oklch(26.7% 0.044 214.8);

Tailwind

colors: {
  custom: {
    50: '#4d646a',
    500: '#042b33',
    950: '#000000',
  },
}

SCSS

$custom: #042b33;
$custom-light: #4d646a;
$custom-dark: #000000;

JSON

{
  "hex": "#042b33",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 51
  },
  "hsl": {
    "h": 190.213,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.26719,
    "c": 0.04391,
    "h": 214.8
  },
  "luminance": 0.01993
}

Semantic roles & 50–950 ramp

primary

#042B33

secondary

#752C1D

accent

#4F2CFC

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020506

muted

#78797A

Preview Lab

Preview with #042B33

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

Preview Lab → · Contrast checker → · Palette generator →