#010027#010027

#010027 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.5% C 0.084 H 267.2°. Best body text is #FFFFFF at 20.38:1 contrast (WCAG AA passes).

Color values

HEX	#010027
RGB	rgb(1, 0, 39)
HSL	hsl(242, 100%, 8%)
HSV	hsv(242, 100%, 15%)
CMYK	cmyk(97.4%, 100%, 0%, 84.7%)
CIE-LAB	lab(1.38, 9.56, -22.17)
CIE-LCH	lch(1.38, 24.14, 293.32°)
OKLab	oklab(12.51% -0.0041 -0.084)
OKLCH	oklch(12.51% 0.084 267.2)
XYZ	xyz(0.3786, 0.1529, 1.9286)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010027 #262700

analogous

#001327 #010027 #140027

triadic

#010027 #270100 #002701

tetradic

#010027 #270013 #262700 #002714

square

#010027 #270013 #262700 #002714

split-complementary

#010027 #271400 #132700

monochromatic

#01001F #01001F #010027 #030064 #0400A1

Accessibility & contrast

On white

20.38

#010027 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#010027 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010027

20.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010027	#FFFFFF	#000000	##FFFFFF
##010027	1.00	20.38	1.03	20.38
#FFFFFF	20.38	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000728

Deuteranopia (green-blind)

#000326

Tritanopia (blue-blind)

#000A12

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #010027;
/* rgb */ color: rgb(1, 0, 39);
/* oklch */ color: oklch(12.5% 0.084 267.2);

Tailwind

colors: {
  custom: {
    50: '#474761',
    500: '#010027',
    950: '#000000',
  },
}

SCSS

$custom: #010027;
$custom-light: #474761;
$custom-dark: #000000;

JSON

{
  "hex": "#010027",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 39
  },
  "hsl": {
    "h": 241.538,
    "s": 100,
    "l": 7.647
  },
  "oklch": {
    "l": 0.12511,
    "c": 0.08411,
    "h": 267.2
  },
  "luminance": 0.00153
}

Semantic roles & 50–950 ramp

primary

#010027

secondary

#6D6F14

accent

#FF29FA

background

#F4F3F5

surface

#E6E5EA

border

#C2C1C6

text

#000005

muted

#777779

Preview Lab

Preview with #010027

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

Preview Lab → · Contrast checker → · Palette generator →