#043240#043240

#043240 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.5% C 0.053 H 223.9°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#043240
RGB	rgb(4, 50, 64)
HSL	hsl(194, 88%, 13%)
HSV	hsv(194, 94%, 25%)
CMYK	cmyk(93.8%, 21.9%, 0%, 74.9%)
CIE-LAB	lab(18.70, -8.92, -12.99)
CIE-LCH	lch(18.70, 15.76, 235.52°)
OKLab	oklab(29.54% -0.0379 -0.0365)
OKLCH	oklch(29.54% 0.053 223.9)
XYZ	xyz(2.1157, 2.6769, 5.2547)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043240 #401204

analogous

#044030 #043240 #041440

triadic

#043240 #400432 #324004

tetradic

#043240 #300440 #401204 #144004

square

#043240 #300440 #401204 #144004

split-complementary

#043240 #400414 #403004

monochromatic

#02161D #02161D #043240 #085F7A #0B8CB3

Accessibility & contrast

On white

13.68

#043240 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#043240 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043240

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043240	#FFFFFF	#000000	##FFFFFF
##043240	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3141

Deuteranopia (green-blind)

#222B40

Tritanopia (blue-blind)

#003637

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #043240;
/* rgb */ color: rgb(4, 50, 64);
/* oklch */ color: oklch(29.5% 0.053 223.9);

Tailwind

colors: {
  custom: {
    50: '#516974',
    500: '#043240',
    950: '#000000',
  },
}

SCSS

$custom: #043240;
$custom-light: #516974;
$custom-dark: #000000;

JSON

{
  "hex": "#043240",
  "rgb": {
    "r": 4,
    "g": 50,
    "b": 64
  },
  "hsl": {
    "h": 194,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.29542,
    "c": 0.05257,
    "h": 223.9
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#043240

secondary

#81361F

accent

#5B29FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #043240

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

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