#042F1B#042F1B

#042F1B is a dark, muted teal. Relative luminance 0.021; OKLCH L 27.1% C 0.059 H 157.9°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#042F1B
RGB	rgb(4, 47, 27)
HSL	hsl(152, 84%, 10%)
HSV	hsv(152, 91%, 18%)
CMYK	cmyk(91.5%, 0%, 42.6%, 81.6%)
CIE-LAB	lab(16.19, -20.30, 8.85)
CIE-LCH	lch(16.19, 22.14, 156.45°)
OKLab	oklab(27.06% -0.0549 0.0223)
OKLCH	oklch(27.06% 0.059 157.9)
XYZ	xyz(1.2643, 2.1378, 1.3827)
Luminance	0.0214 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 10.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042F1B #2F0418

analogous

#042F05 #042F1B #042E2F

triadic

#042F1B #1B042F #2F1B04

tetradic

#042F1B #05042F #2F0418 #2E2F04

square

#042F1B #05042F #2F0418 #2E2F04

split-complementary

#042F1B #2F042E #2F0504

monochromatic

#021C10 #021C10 #042F1B #09673B #0EA05C

Accessibility & contrast

On white

14.71

#042F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#042F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042F1B

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042F1B	#FFFFFF	#000000	##FFFFFF
##042F1B	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1A

Deuteranopia (green-blind)

#29271C

Tritanopia (blue-blind)

#002F2A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #042f1b;
/* rgb */ color: rgb(4, 47, 27);
/* oklch */ color: oklch(27.1% 0.059 157.9);

Tailwind

colors: {
  custom: {
    50: '#4c6857',
    500: '#042f1b',
    950: '#000000',
  },
}

SCSS

$custom: #042f1b;
$custom-light: #4c6857;
$custom-dark: #000000;

JSON

{
  "hex": "#042f1b",
  "rgb": {
    "r": 4,
    "g": 47,
    "b": 27
  },
  "hsl": {
    "h": 152.093,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.27057,
    "c": 0.05926,
    "h": 157.9
  },
  "luminance": 0.02138
}

Semantic roles & 50–950 ramp

primary

#042F1B

secondary

#721D44

accent

#2D8DFB

background

#F4F6F5

surface

#E7EBE9

border

#C3C6C5

text

#010603

muted

#777A78

Preview Lab

Preview with #042F1B

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

Preview Lab → · Contrast checker → · Palette generator →