#042541#042541

#042541 is a dark, moderate cyan. Relative luminance 0.017; OKLCH L 25.8% C 0.065 H 248.6°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#042541
RGB	rgb(4, 37, 65)
HSL	hsl(208, 88%, 14%)
HSV	hsv(208, 94%, 25%)
CMYK	cmyk(93.8%, 43.1%, 0%, 74.5%)
CIE-LAB	lab(14.00, 0.54, -21.05)
CIE-LCH	lch(14.00, 21.05, 271.47°)
OKLab	oklab(25.83% -0.0235 -0.0601)
OKLCH	oklch(25.83% 0.065 248.6)
XYZ	xyz(1.6654, 1.7304, 5.2462)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042541 #412004

analogous

#04413E #042541 #040641

triadic

#042541 #410425 #254104

tetradic

#042541 #3E0441 #412004 #064104

square

#042541 #3E0441 #412004 #064104

split-complementary

#042541 #410406 #413E04

monochromatic

#02101D #02101D #042541 #08467B #0B67B4

Accessibility & contrast

On white

15.60

#042541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#042541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042541

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042541	#FFFFFF	#000000	##FFFFFF
##042541	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172742

Deuteranopia (green-blind)

#0E2140

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #042541;
/* rgb */ color: rgb(4, 37, 65);
/* oklch */ color: oklch(25.8% 0.065 248.6);

Tailwind

colors: {
  custom: {
    50: '#505f76',
    500: '#042541',
    950: '#000000',
  },
}

SCSS

$custom: #042541;
$custom-light: #505f76;
$custom-dark: #000000;

JSON

{
  "hex": "#042541",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 65
  },
  "hsl": {
    "h": 207.541,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25829,
    "c": 0.06455,
    "h": 248.6
  },
  "luminance": 0.01731
}

Semantic roles & 50–950 ramp

primary

#042541

secondary

#824C1F

accent

#8B29FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #042541

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

Preview Lab → · Contrast checker → · Palette generator →