#042633#042633

#042633 is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.2% C 0.045 H 228.1°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#042633
RGB	rgb(4, 38, 51)
HSL	hsl(197, 85%, 11%)
HSV	hsv(197, 92%, 20%)
CMYK	cmyk(92.2%, 25.5%, 0%, 80%)
CIE-LAB	lab(13.54, -6.51, -11.93)
CIE-LCH	lch(13.54, 13.59, 241.37°)
OKLab	oklab(25.18% -0.0301 -0.0335)
OKLCH	oklch(25.18% 0.045 228.1)
XYZ	xyz(1.3405, 1.6509, 3.3793)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042633 #331104

analogous

#043328 #042633 #040E33

triadic

#042633 #330426 #263304

tetradic

#042633 #280433 #331104 #0E3304

square

#042633 #280433 #331104 #0E3304

split-complementary

#042633 #33040E #332804

monochromatic

#02151C #02151C #042633 #08506C #0D7BA4

Accessibility & contrast

On white

15.79

#042633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#042633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042633

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042633	#FFFFFF	#000000	##FFFFFF
##042633	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2534

Deuteranopia (green-blind)

#192133

Tritanopia (blue-blind)

#002A2A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #042633;
/* rgb */ color: rgb(4, 38, 51);
/* oklch */ color: oklch(25.2% 0.045 228.1);

Tailwind

colors: {
  custom: {
    50: '#4d606a',
    500: '#042633',
    950: '#000000',
  },
}

SCSS

$custom: #042633;
$custom-light: #4d606a;
$custom-dark: #000000;

JSON

{
  "hex": "#042633",
  "rgb": {
    "r": 4,
    "g": 38,
    "b": 51
  },
  "hsl": {
    "h": 196.596,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.25184,
    "c": 0.04505,
    "h": 228.1
  },
  "luminance": 0.01651
}

Semantic roles & 50–950 ramp

primary

#042633

secondary

#75361D

accent

#662CFC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #042633

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

Preview Lab → · Contrast checker → · Palette generator →