#011027#011027

#011027 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.5% C 0.053 H 255.2°. Best body text is #FFFFFF at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#011027
RGB	rgb(1, 16, 39)
HSL	hsl(216, 95%, 8%)
HSV	hsv(216, 97%, 15%)
CMYK	cmyk(97.4%, 59%, 0%, 84.7%)
CIE-LAB	lab(4.73, 2.72, -16.95)
CIE-LCH	lch(4.73, 17.16, 279.12°)
OKLab	oklab(17.46% -0.0137 -0.0516)
OKLCH	oklch(17.46% 0.053 255.2)
XYZ	xyz(0.5639, 0.5234, 1.9904)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011027 #271801

analogous

#012327 #011027 #050127

triadic

#011027 #270110 #102701

tetradic

#011027 #270123 #271801 #012705

square

#011027 #270123 #271801 #012705

split-complementary

#011027 #270501 #232701

monochromatic

#010C1E #010C1E #011027 #032863 #04419E

Accessibility & contrast

On white

19.01

#011027 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#011027 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011027

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011027	#FFFFFF	#000000	##FFFFFF
##011027	1.00	19.01	1.10	19.01
#FFFFFF	19.01	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041228

Deuteranopia (green-blind)

#000E27

Tritanopia (blue-blind)

#001619

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #011027;
/* rgb */ color: rgb(1, 16, 39);
/* oklch */ color: oklch(17.5% 0.053 255.2);

Tailwind

colors: {
  custom: {
    50: '#474e61',
    500: '#011027',
    950: '#000000',
  },
}

SCSS

$custom: #011027;
$custom-light: #474e61;
$custom-dark: #000000;

JSON

{
  "hex": "#011027",
  "rgb": {
    "r": 1,
    "g": 16,
    "b": 39
  },
  "hsl": {
    "h": 216.316,
    "s": 95,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17462,
    "c": 0.05342,
    "h": 255.2
  },
  "luminance": 0.00524
}

Semantic roles & 50–950 ramp

primary

#011027

secondary

#6E4B16

accent

#AA29FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000105

muted

#777779

Preview Lab

Preview with #011027

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

Preview Lab → · Contrast checker → · Palette generator →