#011F31#011F31

#011F31 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.8% C 0.050 H 239.1°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#011F31
RGB	rgb(1, 31, 49)
HSL	hsl(203, 96%, 10%)
HSV	hsv(203, 98%, 19%)
CMYK	cmyk(98%, 36.7%, 0%, 80.8%)
CIE-LAB	lab(10.62, -3.13, -15.07)
CIE-LCH	lch(10.62, 15.39, 258.26°)
OKLab	oklab(22.78% -0.0256 -0.0428)
OKLCH	oklch(22.78% 0.05 239.1)
XYZ	xyz(1.0567, 1.2080, 3.0826)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011F31 #311301

analogous

#01312B #011F31 #010731

triadic

#011F31 #31011F #1F3101

tetradic

#011F31 #2B0131 #311301 #073101

square

#011F31 #2B0131 #311301 #073101

split-complementary

#011F31 #310107 #312B01

monochromatic

#01131E #01131E #011F31 #02456D #036BA9

Accessibility & contrast

On white

16.91

#011F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#011F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011F31

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011F31	#FFFFFF	#000000	##FFFFFF
##011F31	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161F32

Deuteranopia (green-blind)

#0F1B31

Tritanopia (blue-blind)

#002425

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #011f31;
/* rgb */ color: rgb(1, 31, 49);
/* oklch */ color: oklch(22.8% 0.050 239.1);

Tailwind

colors: {
  custom: {
    50: '#4a5a69',
    500: '#011f31',
    950: '#000000',
  },
}

SCSS

$custom: #011f31;
$custom-light: #4a5a69;
$custom-dark: #000000;

JSON

{
  "hex": "#011f31",
  "rgb": {
    "r": 1,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 202.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.22781,
    "c": 0.04986,
    "h": 239.1
  },
  "luminance": 0.01208
}

Semantic roles & 50–950 ramp

primary

#011F31

secondary

#773B17

accent

#7929FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #011F31

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

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