#042B34#042B34

#042B34 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.8% C 0.045 H 217.1°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#042B34
RGB	rgb(4, 43, 52)
HSL	hsl(191, 86%, 11%)
HSV	hsv(191, 92%, 20%)
CMYK	cmyk(92.3%, 17.3%, 0%, 79.6%)
CIE-LAB	lab(15.49, -9.41, -9.61)
CIE-LCH	lch(15.49, 13.45, 225.62°)
OKLab	oklab(26.77% -0.0355 -0.0269)
OKLCH	oklch(26.77% 0.045 217.1)
XYZ	xyz(1.5335, 2.0013, 3.5536)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B34 #340D04

analogous

#043425 #042B34 #041334

triadic

#042B34 #34042B #2B3404

tetradic

#042B34 #250434 #340D04 #133404

square

#042B34 #250434 #340D04 #133404

split-complementary

#042B34 #340413 #342504

monochromatic

#02171C #02171C #042B34 #085A6D #0D89A6

Accessibility & contrast

On white

15.00

#042B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#042B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B34

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B34	#FFFFFF	#000000	##FFFFFF
##042B34	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252934

Deuteranopia (green-blind)

#1F2534

Tritanopia (blue-blind)

#002E2E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #042b34;
/* rgb */ color: rgb(4, 43, 52);
/* oklch */ color: oklch(26.8% 0.045 217.1);

Tailwind

colors: {
  custom: {
    50: '#4d646b',
    500: '#042b34',
    950: '#000000',
  },
}

SCSS

$custom: #042b34;
$custom-light: #4d646b;
$custom-dark: #000000;

JSON

{
  "hex": "#042b34",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 52
  },
  "hsl": {
    "h": 191.25,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.26772,
    "c": 0.04455,
    "h": 217.1
  },
  "luminance": 0.02001
}

Semantic roles & 50–950 ramp

primary

#042B34

secondary

#762E1E

accent

#532CFC

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020506

muted

#78797A

Preview Lab

Preview with #042B34

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

Preview Lab → · Contrast checker → · Palette generator →