#00231F#00231F

#00231F is a very dark, muted teal. Relative luminance 0.013; OKLCH L 23.0% C 0.041 H 183.9°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#00231F
RGB	rgb(0, 35, 31)
HSL	hsl(173, 100%, 7%)
HSV	hsv(173, 100%, 14%)
CMYK	cmyk(100%, 0%, 11.4%, 86.3%)
CIE-LAB	lab(11.28, -13.88, -0.93)
CIE-LCH	lch(11.28, 13.91, 183.84°)
OKLab	oklab(23.01% -0.0407 -0.0027)
OKLCH	oklch(23.01% 0.041 183.9)
XYZ	xyz(0.8482, 1.3009, 1.5024)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00231F #230004

analogous

#00230E #00231F #001623

triadic

#00231F #1F0023 #231F00

tetradic

#00231F #0E0023 #230004 #162300

square

#00231F #0E0023 #230004 #162300

split-complementary

#00231F #230016 #230E00

monochromatic

#001F1B #001F1B #00231F #006055 #009D8B

Accessibility & contrast

On white

16.66

#00231F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#00231F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00231F

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00231F	#FFFFFF	#000000	##FFFFFF
##00231F	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201F

Deuteranopia (green-blind)

#1C1D1F

Tritanopia (blue-blind)

#002422

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #00231f;
/* rgb */ color: rgb(0, 35, 31);
/* oklch */ color: oklch(23.0% 0.041 183.9);

Tailwind

colors: {
  custom: {
    50: '#465e5a',
    500: '#00231f',
    950: '#000000',
  },
}

SCSS

$custom: #00231f;
$custom-light: #465e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#00231f",
  "rgb": {
    "r": 0,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 173.143,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.23013,
    "c": 0.04079,
    "h": 183.9
  },
  "luminance": 0.01301
}

Semantic roles & 50–950 ramp

primary

#00231F

secondary

#6C131D

accent

#2941FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #00231F

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

Preview Lab → · Contrast checker → · Palette generator →