#01152B#01152B

#01152B is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.3% C 0.053 H 250.7°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#01152B
RGB	rgb(1, 21, 43)
HSL	hsl(211, 95%, 9%)
HSV	hsv(211, 98%, 17%)
CMYK	cmyk(97.7%, 51.2%, 0%, 83.1%)
CIE-LAB	lab(6.48, 1.43, -17.21)
CIE-LCH	lch(6.48, 17.27, 274.76°)
OKLab	oklab(19.3% -0.0174 -0.0498)
OKLCH	oklch(19.3% 0.053 250.7)
XYZ	xyz(0.7166, 0.7171, 2.3857)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01152B #2B1701

analogous

#012A2B #01152B #02012B

triadic

#01152B #2B0115 #152B01

tetradic

#01152B #2B012A #2B1701 #012B02

square

#01152B #2B012A #2B1701 #012B02

split-complementary

#01152B #2B0201 #2A2B01

monochromatic

#010F1E #010F1E #01152B #023267 #044FA3

Accessibility & contrast

On white

18.37

#01152B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#01152B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01152B

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01152B	#FFFFFF	#000000	##FFFFFF
##01152B	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A172C

Deuteranopia (green-blind)

#03122B

Tritanopia (blue-blind)

#001A1D

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #01152b;
/* rgb */ color: rgb(1, 21, 43);
/* oklch */ color: oklch(19.3% 0.053 250.7);

Tailwind

colors: {
  custom: {
    50: '#485264',
    500: '#01152b',
    950: '#000000',
  },
}

SCSS

$custom: #01152b;
$custom-light: #485264;
$custom-dark: #000000;

JSON

{
  "hex": "#01152b",
  "rgb": {
    "r": 1,
    "g": 21,
    "b": 43
  },
  "hsl": {
    "h": 211.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.19299,
    "c": 0.0528,
    "h": 250.7
  },
  "luminance": 0.00717
}

Semantic roles & 50–950 ramp

primary

#01152B

secondary

#714617

accent

#9929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #01152B

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

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