#0A421B#0A421B

#0A421B is a dark, moderate green. Relative luminance 0.040; OKLCH L 33.4% C 0.087 H 148.7°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#0A421B
RGB	rgb(10, 66, 27)
HSL	hsl(138, 74%, 15%)
HSV	hsv(138, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 59.1%, 74.1%)
CIE-LAB	lab(23.80, -27.55, 18.67)
CIE-LCH	lch(23.80, 33.28, 145.88°)
OKLab	oklab(33.39% -0.0741 0.045)
OKLCH	oklch(33.39% 0.087 148.7)
XYZ	xyz(2.2710, 4.0398, 1.6968)
Luminance	0.0404 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 4.15

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A421B #420A31

analogous

#15420A #0A421B #0A4237

triadic

#0A421B #1B0A42 #421B0A

tetradic

#0A421B #0A1542 #420A31 #42370A

square

#0A421B #0A1542 #420A31 #42370A

split-complementary

#0A421B #370A42 #420A15

monochromatic

#041B0B #041B0B #0A421B #127731 #1AAC46

Accessibility & contrast

On white

11.62

#0A421B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A421B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A421B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A421B	#FFFFFF	#000000	##FFFFFF
##0A421B	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B18

Deuteranopia (green-blind)

#3C371E

Tritanopia (blue-blind)

#004139

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a421b;
/* rgb */ color: rgb(10, 66, 27);
/* oklch */ color: oklch(33.4% 0.087 148.7);

Tailwind

colors: {
  custom: {
    50: '#547758',
    500: '#0a421b',
    950: '#000000',
  },
}

SCSS

$custom: #0a421b;
$custom-light: #547758;
$custom-dark: #000000;

JSON

{
  "hex": "#0a421b",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 27
  },
  "hsl": {
    "h": 138.214,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3339,
    "c": 0.08668,
    "h": 148.7
  },
  "luminance": 0.0404
}

Semantic roles & 50–950 ramp

primary

#0A421B

secondary

#7F2965

accent

#37B8F0

background

#F5F7F5

surface

#E9EDE9

border

#C5C8C5

text

#030903

muted

#787B78

Preview Lab

Preview with #0A421B

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

Preview Lab → · Contrast checker → · Palette generator →