#042B37#042B37

#042B37 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.047 H 223.4°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#042B37
RGB	rgb(4, 43, 55)
HSL	hsl(194, 86%, 12%)
HSV	hsv(194, 93%, 22%)
CMYK	cmyk(92.7%, 21.8%, 0%, 78.4%)
CIE-LAB	lab(15.64, -8.15, -11.49)
CIE-LCH	lch(15.64, 14.09, 234.66°)
OKLab	oklab(26.94% -0.0341 -0.0322)
OKLCH	oklch(26.94% 0.047 223.4)
XYZ	xyz(1.6032, 2.0292, 3.9209)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B37 #371004

analogous

#04372A #042B37 #041237

triadic

#042B37 #37042B #2B3704

tetradic

#042B37 #2A0437 #371004 #123704

square

#042B37 #2A0437 #371004 #123704

split-complementary

#042B37 #370412 #372A04

monochromatic

#02161D #02161D #042B37 #085870 #0C84A9

Accessibility & contrast

On white

14.94

#042B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#042B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B37

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B37	#FFFFFF	#000000	##FFFFFF
##042B37	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A38

Deuteranopia (green-blind)

#1D2537

Tritanopia (blue-blind)

#002F2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #042b37;
/* rgb */ color: rgb(4, 43, 55);
/* oklch */ color: oklch(26.9% 0.047 223.4);

Tailwind

colors: {
  custom: {
    50: '#4e646d',
    500: '#042b37',
    950: '#000000',
  },
}

SCSS

$custom: #042b37;
$custom-light: #4e646d;
$custom-dark: #000000;

JSON

{
  "hex": "#042b37",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 55
  },
  "hsl": {
    "h": 194.118,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.26938,
    "c": 0.04691,
    "h": 223.4
  },
  "luminance": 0.02029
}

Semantic roles & 50–950 ramp

primary

#042B37

secondary

#79331E

accent

#5C2BFD

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020507

muted

#78797A

Preview Lab

Preview with #042B37

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

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