#011828#011828

#011828 is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.0% C 0.044 H 240.9°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#011828
RGB	rgb(1, 24, 40)
HSL	hsl(205, 95%, 8%)
HSV	hsv(205, 98%, 16%)
CMYK	cmyk(97.5%, 40%, 0%, 84.3%)
CIE-LAB	lab(7.34, -2.07, -13.61)
CIE-LCH	lch(7.34, 13.77, 261.35°)
OKLab	oklab(19.98% -0.0216 -0.0388)
OKLCH	oklch(19.98% 0.044 240.9)
XYZ	xyz(0.7220, 0.8128, 2.1259)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011828 #281101

analogous

#012824 #011828 #010528

triadic

#011828 #280118 #182801

tetradic

#011828 #240128 #281101 #052801

square

#011828 #240128 #281101 #052801

split-complementary

#011828 #280105 #282401

monochromatic

#01121E #01121E #011828 #023C64 #04609F

Accessibility & contrast

On white

18.06

#011828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#011828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011828

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011828	#FFFFFF	#000000	##FFFFFF
##011828	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101829

Deuteranopia (green-blind)

#0A1428

Tritanopia (blue-blind)

#001C1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #011828;
/* rgb */ color: rgb(1, 24, 40);
/* oklch */ color: oklch(20.0% 0.044 240.9);

Tailwind

colors: {
  custom: {
    50: '#475462',
    500: '#011828',
    950: '#000000',
  },
}

SCSS

$custom: #011828;
$custom-light: #475462;
$custom-dark: #000000;

JSON

{
  "hex": "#011828",
  "rgb": {
    "r": 1,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 204.615,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.19981,
    "c": 0.04439,
    "h": 240.9
  },
  "luminance": 0.00813
}

Semantic roles & 50–950 ramp

primary

#011828

secondary

#6F3A16

accent

#8129FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000205

muted

#777879

Preview Lab

Preview with #011828

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

Preview Lab → · Contrast checker → · Palette generator →