#043440#043440

#043440 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.1% C 0.052 H 219.6°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#043440
RGB	rgb(4, 52, 64)
HSL	hsl(192, 88%, 13%)
HSV	hsv(192, 94%, 25%)
CMYK	cmyk(93.8%, 18.8%, 0%, 74.9%)
CIE-LAB	lab(19.44, -10.20, -11.85)
CIE-LCH	lch(19.44, 15.63, 229.28°)
OKLab	oklab(30.14% -0.0401 -0.0332)
OKLCH	oklch(30.14% 0.052 219.6)
XYZ	xyz(2.2031, 2.8517, 5.2838)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043440 #401004

analogous

#04402E #043440 #041640

triadic

#043440 #400434 #344004

tetradic

#043440 #2E0440 #401004 #164004

square

#043440 #2E0440 #401004 #164004

split-complementary

#043440 #400416 #402E04

monochromatic

#02171D #02171D #043440 #08637A #0B92B3

Accessibility & contrast

On white

13.37

#043440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#043440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043440

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043440	#FFFFFF	#000000	##FFFFFF
##043440	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3241

Deuteranopia (green-blind)

#252D40

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #043440;
/* rgb */ color: rgb(4, 52, 64);
/* oklch */ color: oklch(30.1% 0.052 219.6);

Tailwind

colors: {
  custom: {
    50: '#516b74',
    500: '#043440',
    950: '#000000',
  },
}

SCSS

$custom: #043440;
$custom-light: #516b74;
$custom-dark: #000000;

JSON

{
  "hex": "#043440",
  "rgb": {
    "r": 4,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 192,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.30137,
    "c": 0.05206,
    "h": 219.6
  },
  "luminance": 0.02852
}

Semantic roles & 50–950 ramp

primary

#043440

secondary

#81321F

accent

#5429FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #043440

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

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