#011128#011128

#011128 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 17.8% C 0.054 H 254.4°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#011128
RGB	rgb(1, 17, 40)
HSL	hsl(215, 95%, 8%)
HSV	hsv(215, 98%, 16%)
CMYK	cmyk(97.5%, 57.5%, 0%, 84.3%)
CIE-LAB	lab(5.06, 2.58, -17.18)
CIE-LCH	lch(5.06, 17.37, 278.55°)
OKLab	oklab(17.85% -0.0144 -0.0516)
OKLCH	oklch(17.85% 0.054 254.4)
XYZ	xyz(0.5958, 0.5605, 2.0838)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011128 #281801

analogous

#012428 #011128 #050128

triadic

#011128 #280111 #112801

tetradic

#011128 #280124 #281801 #012805

square

#011128 #280124 #281801 #012805

split-complementary

#011128 #280501 #242801

monochromatic

#010D1E #010D1E #011128 #022A64 #04449F

Accessibility & contrast

On white

18.88

#011128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#011128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011128

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011128	#FFFFFF	#000000	##FFFFFF
##011128	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051329

Deuteranopia (green-blind)

#000F28

Tritanopia (blue-blind)

#00171A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #011128;
/* rgb */ color: rgb(1, 17, 40);
/* oklch */ color: oklch(17.8% 0.054 254.4);

Tailwind

colors: {
  custom: {
    50: '#474f62',
    500: '#011128',
    950: '#000000',
  },
}

SCSS

$custom: #011128;
$custom-light: #474f62;
$custom-dark: #000000;

JSON

{
  "hex": "#011128",
  "rgb": {
    "r": 1,
    "g": 17,
    "b": 40
  },
  "hsl": {
    "h": 215.385,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17848,
    "c": 0.05361,
    "h": 254.4
  },
  "luminance": 0.00561
}

Semantic roles & 50–950 ramp

primary

#011128

secondary

#6F4A16

accent

#A729FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #011128

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

Preview Lab → · Contrast checker → · Palette generator →