#042E40#042E40

#042E40 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.4% C 0.055 H 232.2°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#042E40
RGB	rgb(4, 46, 64)
HSL	hsl(198, 88%, 13%)
HSV	hsv(198, 94%, 25%)
CMYK	cmyk(93.8%, 28.1%, 0%, 74.9%)
CIE-LAB	lab(17.22, -6.28, -15.28)
CIE-LCH	lch(17.22, 16.52, 247.65°)
OKLab	oklab(28.36% -0.0334 -0.0431)
OKLCH	oklch(28.36% 0.055 232.2)
XYZ	xyz(1.9521, 2.3497, 5.2001)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042E40 #401604

analogous

#044034 #042E40 #041040

triadic

#042E40 #40042E #2E4004

tetradic

#042E40 #340440 #401604 #104004

square

#042E40 #340440 #401604 #104004

split-complementary

#042E40 #400410 #403404

monochromatic

#02151D #02151D #042E40 #08577A #0B81B3

Accessibility & contrast

On white

14.29

#042E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#042E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042E40

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042E40	#FFFFFF	#000000	##FFFFFF
##042E40	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252D41

Deuteranopia (green-blind)

#1D2840

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #042e40;
/* rgb */ color: rgb(4, 46, 64);
/* oklch */ color: oklch(28.4% 0.055 232.2);

Tailwind

colors: {
  custom: {
    50: '#506675',
    500: '#042e40',
    950: '#000000',
  },
}

SCSS

$custom: #042e40;
$custom-light: #506675;
$custom-dark: #000000;

JSON

{
  "hex": "#042e40",
  "rgb": {
    "r": 4,
    "g": 46,
    "b": 64
  },
  "hsl": {
    "h": 198,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.28361,
    "c": 0.05455,
    "h": 232.2
  },
  "luminance": 0.0235
}

Semantic roles & 50–950 ramp

primary

#042E40

secondary

#813C1F

accent

#6929FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #042E40

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

Preview Lab → · Contrast checker → · Palette generator →