#043040#043040

#043040 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.053 H 228.1°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#043040
RGB	rgb(4, 48, 64)
HSL	hsl(196, 88%, 13%)
HSV	hsv(196, 94%, 25%)
CMYK	cmyk(93.8%, 25%, 0%, 74.9%)
CIE-LAB	lab(17.96, -7.61, -14.13)
CIE-LCH	lch(17.96, 16.05, 241.68°)
OKLab	oklab(28.95% -0.0356 -0.0398)
OKLCH	oklch(28.95% 0.053 228.1)
XYZ	xyz(2.0321, 2.5096, 5.2268)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043040 #401404

analogous

#044032 #043040 #041240

triadic

#043040 #400430 #304004

tetradic

#043040 #320440 #401404 #124004

square

#043040 #320440 #401404 #124004

split-complementary

#043040 #400412 #403204

monochromatic

#02161D #02161D #043040 #085B7A #0B86B3

Accessibility & contrast

On white

13.98

#043040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#043040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043040

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043040	#FFFFFF	#000000	##FFFFFF
##043040	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282F41

Deuteranopia (green-blind)

#202940

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #043040;
/* rgb */ color: rgb(4, 48, 64);
/* oklch */ color: oklch(28.9% 0.053 228.1);

Tailwind

colors: {
  custom: {
    50: '#516875',
    500: '#043040',
    950: '#000000',
  },
}

SCSS

$custom: #043040;
$custom-light: #516875;
$custom-dark: #000000;

JSON

{
  "hex": "#043040",
  "rgb": {
    "r": 4,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 196,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.2895,
    "c": 0.0534,
    "h": 228.1
  },
  "luminance": 0.0251
}

Semantic roles & 50–950 ramp

primary

#043040

secondary

#81391F

accent

#6229FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #043040

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

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