#042135#042135

#042135 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.8% C 0.051 H 242.9°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#042135
RGB	rgb(4, 33, 53)
HSL	hsl(204, 86%, 11%)
HSV	hsv(204, 92%, 21%)
CMYK	cmyk(92.5%, 37.7%, 0%, 79.2%)
CIE-LAB	lab(11.76, -2.06, -16.13)
CIE-LCH	lch(11.76, 16.26, 262.71°)
OKLab	oklab(23.81% -0.0234 -0.0458)
OKLCH	oklch(23.81% 0.051 242.9)
XYZ	xyz(1.2363, 1.3704, 3.5668)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042135 #351804

analogous

#043530 #042135 #040835

triadic

#042135 #350421 #213504

tetradic

#042135 #300435 #351804 #083504

square

#042135 #300435 #351804 #083504

split-complementary

#042135 #350408 #353004

monochromatic

#02121C #02121C #042135 #08446E #0D68A7

Accessibility & contrast

On white

16.48

#042135 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#042135 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042135

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042135	#FFFFFF	#000000	##FFFFFF
##042135	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182236

Deuteranopia (green-blind)

#111D35

Tritanopia (blue-blind)

#002628

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #042135;
/* rgb */ color: rgb(4, 33, 53);
/* oklch */ color: oklch(23.8% 0.051 242.9);

Tailwind

colors: {
  custom: {
    50: '#4d5b6c',
    500: '#042135',
    950: '#000000',
  },
}

SCSS

$custom: #042135;
$custom-light: #4d5b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#042135",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 53
  },
  "hsl": {
    "h": 204.49,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.23808,
    "c": 0.05146,
    "h": 242.9
  },
  "luminance": 0.01371
}

Semantic roles & 50–950 ramp

primary

#042135

secondary

#77421E

accent

#812CFC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #042135

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

Preview Lab → · Contrast checker → · Palette generator →