#043840#043840

#043840 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.3% C 0.052 H 210.9°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#043840
RGB	rgb(4, 56, 64)
HSL	hsl(188, 88%, 13%)
HSV	hsv(188, 94%, 25%)
CMYK	cmyk(93.8%, 12.5%, 0%, 74.9%)
CIE-LAB	lab(20.92, -12.67, -9.58)
CIE-LCH	lch(20.92, 15.88, 217.10°)
OKLab	oklab(31.33% -0.0446 -0.0267)
OKLCH	oklch(31.33% 0.052 210.9)
XYZ	xyz(2.3892, 3.2240, 5.3459)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043840 #400C04

analogous

#04402A #043840 #041A40

triadic

#043840 #400438 #384004

tetradic

#043840 #2A0440 #400C04 #1A4004

square

#043840 #2A0440 #400C04 #1A4004

split-complementary

#043840 #40041A #402A04

monochromatic

#02191D #02191D #043840 #086A7A #0B9DB3

Accessibility & contrast

On white

12.77

#043840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#043840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043840

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043840	#FFFFFF	#000000	##FFFFFF
##043840	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323640

Deuteranopia (green-blind)

#2A3040

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #043840;
/* rgb */ color: rgb(4, 56, 64);
/* oklch */ color: oklch(31.3% 0.052 210.9);

Tailwind

colors: {
  custom: {
    50: '#526e74',
    500: '#043840',
    950: '#000000',
  },
}

SCSS

$custom: #043840;
$custom-light: #526e74;
$custom-dark: #000000;

JSON

{
  "hex": "#043840",
  "rgb": {
    "r": 4,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 188,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.3133,
    "c": 0.05204,
    "h": 210.9
  },
  "luminance": 0.03224
}

Semantic roles & 50–950 ramp

primary

#043840

secondary

#812C1F

accent

#4629FE

background

#F4F6F7

surface

#E7ECED

border

#C3C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #043840

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

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