#00251B#00251B

#00251B is a very dark, muted teal. Relative luminance 0.014; OKLCH L 23.5% C 0.046 H 170.6°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#00251B
RGB	rgb(0, 37, 27)
HSL	hsl(164, 100%, 7%)
HSV	hsv(164, 100%, 15%)
CMYK	cmyk(100%, 0%, 27%, 85.5%)
CIE-LAB	lab(11.97, -16.41, 2.97)
CIE-LCH	lch(11.97, 16.67, 169.76°)
OKLab	oklab(23.54% -0.0457 0.0076)
OKLCH	oklch(23.54% 0.046 170.6)
XYZ	xyz(0.8593, 1.4022, 1.2621)
Luminance	0.0140 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00251B #25000A

analogous

#002509 #00251B #001D25

triadic

#00251B #1B0025 #251B00

tetradic

#00251B #090025 #25000A #1D2500

square

#00251B #090025 #25000A #1D2500

split-complementary

#00251B #25001D #250900

monochromatic

#001F16 #001F16 #00251B #006248 #009F74

Accessibility & contrast

On white

16.40

#00251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#00251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00251B

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00251B	#FFFFFF	#000000	##FFFFFF
##00251B	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221A

Deuteranopia (green-blind)

#1F1E1C

Tritanopia (blue-blind)

#002522

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #00251b;
/* rgb */ color: rgb(0, 37, 27);
/* oklch */ color: oklch(23.5% 0.046 170.6);

Tailwind

colors: {
  custom: {
    50: '#476057',
    500: '#00251b',
    950: '#000000',
  },
}

SCSS

$custom: #00251b;
$custom-light: #476057;
$custom-dark: #000000;

JSON

{
  "hex": "#00251b",
  "rgb": {
    "r": 0,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 163.784,
    "s": 100,
    "l": 7.255
  },
  "oklch": {
    "l": 0.23535,
    "c": 0.04629,
    "h": 170.6
  },
  "luminance": 0.01402
}

Semantic roles & 50–950 ramp

primary

#00251B

secondary

#6D132C

accent

#2963FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #00251B

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

Preview Lab → · Contrast checker → · Palette generator →