#000427#000427

#000427 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.9% C 0.075 H 263.6°. Best body text is #FFFFFF at 20.06:1 contrast (WCAG AA passes).

Color values

HEX	#000427
RGB	rgb(0, 4, 39)
HSL	hsl(234, 100%, 8%)
HSV	hsv(234, 100%, 15%)
CMYK	cmyk(100%, 89.7%, 0%, 84.7%)
CIE-LAB	lab(2.11, 7.69, -21.04)
CIE-LCH	lch(2.11, 22.40, 290.08°)
OKLab	oklab(13.87% -0.0083 -0.0747)
OKLCH	oklch(13.87% 0.075 263.6)
XYZ	xyz(0.4095, 0.2333, 1.9425)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000427 #272300

analogous

#001727 #000427 #0F0027

triadic

#000427 #270004 #042700

tetradic

#000427 #270017 #272300 #00270F

square

#000427 #270017 #272300 #00270F

split-complementary

#000427 #270F00 #172700

monochromatic

#00031F #00031F #000427 #000A64 #0011A1

Accessibility & contrast

On white

20.06

#000427 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#000427 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000427

20.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000427	#FFFFFF	#000000	##FFFFFF
##000427	1.00	20.06	1.05	20.06
#FFFFFF	20.06	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A28

Deuteranopia (green-blind)

#000626

Tritanopia (blue-blind)

#000D14

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #000427;
/* rgb */ color: rgb(0, 4, 39);
/* oklch */ color: oklch(13.9% 0.075 263.6);

Tailwind

colors: {
  custom: {
    50: '#464861',
    500: '#000427',
    950: '#000000',
  },
}

SCSS

$custom: #000427;
$custom-light: #464861;
$custom-dark: #000000;

JSON

{
  "hex": "#000427",
  "rgb": {
    "r": 0,
    "g": 4,
    "b": 39
  },
  "hsl": {
    "h": 233.846,
    "s": 100,
    "l": 7.647
  },
  "oklch": {
    "l": 0.13866,
    "c": 0.07517,
    "h": 263.6
  },
  "luminance": 0.00233
}

Semantic roles & 50–950 ramp

primary

#000427

secondary

#6F6614

accent

#E929FF

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000005

muted

#777779

Preview Lab

Preview with #000427

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

Preview Lab → · Contrast checker → · Palette generator →