#011F23#011F23

#011F23 is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.9% C 0.036 H 207.3°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#011F23
RGB	rgb(1, 31, 35)
HSL	hsl(187, 94%, 7%)
HSV	hsv(187, 97%, 14%)
CMYK	cmyk(97.1%, 11.4%, 0%, 86.3%)
CIE-LAB	lab(9.86, -9.49, -6.00)
CIE-LCH	lch(9.86, 11.22, 212.29°)
OKLab	oklab(21.92% -0.0324 -0.0167)
OKLCH	oklch(21.92% 0.036 207.3)
XYZ	xyz(0.8057, 1.1077, 1.7611)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011F23 #230501

analogous

#012316 #011F23 #010E23

triadic

#011F23 #23011F #1F2301

tetradic

#011F23 #160123 #230501 #0E2301

square

#011F23 #160123 #230501 #0E2301

split-complementary

#011F23 #23010E #231601

monochromatic

#011A1E #011A1E #011F23 #03545F #04889A

Accessibility & contrast

On white

17.19

#011F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#011F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011F23

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011F23	#FFFFFF	#000000	##FFFFFF
##011F23	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1D23

Deuteranopia (green-blind)

#161A23

Tritanopia (blue-blind)

#002120

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #011f23;
/* rgb */ color: rgb(1, 31, 35);
/* oklch */ color: oklch(21.9% 0.036 207.3);

Tailwind

colors: {
  custom: {
    50: '#475a5d',
    500: '#011f23',
    950: '#000000',
  },
}

SCSS

$custom: #011f23;
$custom-light: #475a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#011f23",
  "rgb": {
    "r": 1,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 187.059,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.21923,
    "c": 0.03645,
    "h": 207.3
  },
  "luminance": 0.01108
}

Semantic roles & 50–950 ramp

primary

#011F23

secondary

#6A2016

accent

#4229FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000404

muted

#777979

Preview Lab

Preview with #011F23

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

Preview Lab → · Contrast checker → · Palette generator →