#01311B#01311B

#01311B is a dark, moderate teal. Relative luminance 0.023; OKLCH L 27.6% C 0.064 H 157.5°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#01311B
RGB	rgb(1, 49, 27)
HSL	hsl(153, 96%, 10%)
HSV	hsv(153, 98%, 19%)
CMYK	cmyk(98%, 0%, 44.9%, 80.8%)
CIE-LAB	lab(16.90, -21.99, 9.78)
CIE-LCH	lch(16.90, 24.07, 156.01°)
OKLab	oklab(27.61% -0.0593 0.0245)
OKLCH	oklch(27.61% 0.064 157.5)
XYZ	xyz(1.3085, 2.2820, 1.4082)
Luminance	0.0228 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 9.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01311B #310117

analogous

#013103 #01311B #012F31

triadic

#01311B #1B0131 #311B01

tetradic

#01311B #030131 #310117 #2F3101

square

#01311B #030131 #310117 #2F3101

split-complementary

#01311B #31012F #310301

monochromatic

#011E11 #011E11 #01311B #026D3C #03A95D

Accessibility & contrast

On white

14.42

#01311B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#01311B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01311B

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01311B	#FFFFFF	#000000	##FFFFFF
##01311B	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1A

Deuteranopia (green-blind)

#2B281C

Tritanopia (blue-blind)

#00312B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #01311b;
/* rgb */ color: rgb(1, 49, 27);
/* oklch */ color: oklch(27.6% 0.064 157.5);

Tailwind

colors: {
  custom: {
    50: '#4b6a57',
    500: '#01311b',
    950: '#000000',
  },
}

SCSS

$custom: #01311b;
$custom-light: #4b6a57;
$custom-dark: #000000;

JSON

{
  "hex": "#01311b",
  "rgb": {
    "r": 1,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 152.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.27614,
    "c": 0.06414,
    "h": 157.5
  },
  "luminance": 0.02282
}

Semantic roles & 50–950 ramp

primary

#01311B

secondary

#771743

accent

#298BFF

background

#F4F6F5

surface

#E7EBE9

border

#C3C6C5

text

#010603

muted

#777A78

Preview Lab

Preview with #01311B

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

Preview Lab → · Contrast checker → · Palette generator →