#01232B#01232B

#01232B is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.7% C 0.041 H 216.9°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#01232B
RGB	rgb(1, 35, 43)
HSL	hsl(191, 95%, 9%)
HSV	hsv(191, 98%, 17%)
CMYK	cmyk(97.7%, 18.6%, 0%, 83.1%)
CIE-LAB	lab(11.84, -8.68, -8.81)
CIE-LCH	lch(11.84, 12.37, 225.46°)
OKLab	oklab(23.65% -0.0329 -0.0247)
OKLCH	oklch(23.65% 0.041 216.9)
XYZ	xyz(1.0494, 1.3828, 2.4966)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01232B #2B0901

analogous

#012B1E #01232B #010E2B

triadic

#01232B #2B0123 #232B01

tetradic

#01232B #1E012B #2B0901 #0E2B01

square

#01232B #1E012B #2B0901 #0E2B01

split-complementary

#01232B #2B010E #2B1E01

monochromatic

#01181E #01181E #01232B #025467 #0484A3

Accessibility & contrast

On white

16.45

#01232B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#01232B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01232B

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01232B	#FFFFFF	#000000	##FFFFFF
##01232B	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E222B

Deuteranopia (green-blind)

#181D2B

Tritanopia (blue-blind)

#002626

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #01232b;
/* rgb */ color: rgb(1, 35, 43);
/* oklch */ color: oklch(23.7% 0.041 216.9);

Tailwind

colors: {
  custom: {
    50: '#495d64',
    500: '#01232b',
    950: '#000000',
  },
}

SCSS

$custom: #01232b;
$custom-light: #495d64;
$custom-dark: #000000;

JSON

{
  "hex": "#01232b",
  "rgb": {
    "r": 1,
    "g": 35,
    "b": 43
  },
  "hsl": {
    "h": 191.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23653,
    "c": 0.04115,
    "h": 216.9
  },
  "luminance": 0.01383
}

Semantic roles & 50–950 ramp

primary

#01232B

secondary

#712817

accent

#5229FF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #01232B

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

Preview Lab → · Contrast checker → · Palette generator →