#00231B#00231B

#00231B is a very dark, muted teal. Relative luminance 0.013; OKLCH L 22.9% C 0.043 H 174.1°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#00231B
RGB	rgb(0, 35, 27)
HSL	hsl(166, 100%, 7%)
HSV	hsv(166, 100%, 14%)
CMYK	cmyk(100%, 0%, 22.9%, 86.3%)
CIE-LAB	lab(11.14, -15.31, 1.78)
CIE-LCH	lch(11.14, 15.41, 173.38°)
OKLab	oklab(22.85% -0.0432 0.0045)
OKLCH	oklch(22.85% 0.043 174.1)
XYZ	xyz(0.7988, 1.2811, 1.2419)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00231B #230008

analogous

#00230A #00231B #001A23

triadic

#00231B #1B0023 #231B00

tetradic

#00231B #0A0023 #230008 #1A2300

square

#00231B #0A0023 #230008 #1A2300

split-complementary

#00231B #23001A #230A00

monochromatic

#001F18 #001F18 #00231B #00604A #009D79

Accessibility & contrast

On white

16.72

#00231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#00231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00231B

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00231B	#FFFFFF	#000000	##FFFFFF
##00231B	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201B

Deuteranopia (green-blind)

#1D1C1C

Tritanopia (blue-blind)

#002421

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #00231b;
/* rgb */ color: rgb(0, 35, 27);
/* oklch */ color: oklch(22.9% 0.043 174.1);

Tailwind

colors: {
  custom: {
    50: '#465e57',
    500: '#00231b',
    950: '#000000',
  },
}

SCSS

$custom: #00231b;
$custom-light: #465e57;
$custom-dark: #000000;

JSON

{
  "hex": "#00231b",
  "rgb": {
    "r": 0,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 166.286,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.22853,
    "c": 0.04344,
    "h": 174.1
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#00231B

secondary

#6C1327

accent

#295AFF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #00231B

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

Preview Lab → · Contrast checker → · Palette generator →