#043340#043340

#043340 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.8% C 0.052 H 221.8°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#043340
RGB	rgb(4, 51, 64)
HSL	hsl(193, 88%, 13%)
HSV	hsv(193, 94%, 25%)
CMYK	cmyk(93.8%, 20.3%, 0%, 74.9%)
CIE-LAB	lab(19.07, -9.56, -12.42)
CIE-LCH	lch(19.07, 15.67, 232.40°)
OKLab	oklab(29.84% -0.039 -0.0348)
OKLCH	oklch(29.84% 0.052 221.8)
XYZ	xyz(2.1589, 2.7634, 5.2691)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043340 #401104

analogous

#04402F #043340 #041540

triadic

#043340 #400433 #334004

tetradic

#043340 #2F0440 #401104 #154004

square

#043340 #2F0440 #401104 #154004

split-complementary

#043340 #400415 #402F04

monochromatic

#02171D #02171D #043340 #08617A #0B8FB3

Accessibility & contrast

On white

13.52

#043340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#043340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043340

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043340	#FFFFFF	#000000	##FFFFFF
##043340	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3141

Deuteranopia (green-blind)

#242C40

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #043340;
/* rgb */ color: rgb(4, 51, 64);
/* oklch */ color: oklch(29.8% 0.052 221.8);

Tailwind

colors: {
  custom: {
    50: '#516a74',
    500: '#043340',
    950: '#000000',
  },
}

SCSS

$custom: #043340;
$custom-light: #516a74;
$custom-dark: #000000;

JSON

{
  "hex": "#043340",
  "rgb": {
    "r": 4,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 193,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.29839,
    "c": 0.05228,
    "h": 221.8
  },
  "luminance": 0.02764
}

Semantic roles & 50–950 ramp

primary

#043340

secondary

#81341F

accent

#5829FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #043340

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

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