#01231B#01231B

#01231B is a very dark, muted teal. Relative luminance 0.013; OKLCH L 22.9% C 0.043 H 173.7°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#01231B
RGB	rgb(1, 35, 27)
HSL	hsl(166, 94%, 7%)
HSV	hsv(166, 97%, 14%)
CMYK	cmyk(97.1%, 0%, 22.9%, 86.3%)
CIE-LAB	lab(11.19, -14.99, 1.85)
CIE-LCH	lch(11.19, 15.10, 172.97°)
OKLab	oklab(22.9% -0.0423 0.0047)
OKLCH	oklch(22.9% 0.043 173.7)
XYZ	xyz(0.8113, 1.2875, 1.2425)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01231B #230109

analogous

#01230A #01231B #011A23

triadic

#01231B #1B0123 #231B01

tetradic

#01231B #0A0123 #230109 #1A2301

square

#01231B #0A0123 #230109 #1A2301

split-complementary

#01231B #23011A #230A01

monochromatic

#011E17 #011E17 #01231B #035F49 #049A77

Accessibility & contrast

On white

16.70

#01231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#01231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01231B

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01231B	#FFFFFF	#000000	##FFFFFF
##01231B	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	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: #01231b;
/* rgb */ color: rgb(1, 35, 27);
/* oklch */ color: oklch(22.9% 0.043 173.7);

Tailwind

colors: {
  custom: {
    50: '#475e57',
    500: '#01231b',
    950: '#000000',
  },
}

SCSS

$custom: #01231b;
$custom-light: #475e57;
$custom-dark: #000000;

JSON

{
  "hex": "#01231b",
  "rgb": {
    "r": 1,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 165.882,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.22904,
    "c": 0.04253,
    "h": 173.7
  },
  "luminance": 0.01288
}

Semantic roles & 50–950 ramp

primary

#01231B

secondary

#6A162A

accent

#295BFF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #01231B

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

Preview Lab → · Contrast checker → · Palette generator →