#04011E#04011E

#04011E is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 12.0% C 0.066 H 279.2°. Best body text is #FFFFFF at 20.42:1 contrast (WCAG AA passes).

Color values

HEX	#04011E
RGB	rgb(4, 1, 30)
HSL	hsl(246, 94%, 6%)
HSV	hsv(246, 97%, 12%)
CMYK	cmyk(86.7%, 96.7%, 0%, 88.2%)
CIE-LAB	lab(1.28, 6.59, -15.21)
CIE-LCH	lch(1.28, 16.58, 293.44°)
OKLab	oklab(11.99% 0.0105 -0.0651)
OKLCH	oklch(11.99% 0.066 279.2)
XYZ	xyz(0.2952, 0.1412, 1.2397)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04011E #1B1E01

analogous

#010C1E #04011E #12011E

triadic

#04011E #1E0401 #011E04

tetradic

#04011E #1E010C #1B1E01 #011E12

square

#04011E #1E010C #1B1E01 #011E12

split-complementary

#04011E #1E1201 #0C1E01

monochromatic

#04011E #04011E #04011E #0C0359 #140594

Accessibility & contrast

On white

20.42

#04011E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#04011E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04011E

20.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04011E	#FFFFFF	#000000	##FFFFFF
##04011E	1.00	20.42	1.03	20.42
#FFFFFF	20.42	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051F

Deuteranopia (green-blind)

#00041D

Tritanopia (blue-blind)

#00070D

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #04011e;
/* rgb */ color: rgb(4, 1, 30);
/* oklch */ color: oklch(12.0% 0.066 279.2);

Tailwind

colors: {
  custom: {
    50: '#484759',
    500: '#04011e',
    950: '#000000',
  },
}

SCSS

$custom: #04011e;
$custom-light: #484759;
$custom-dark: #000000;

JSON

{
  "hex": "#04011e",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 30
  },
  "hsl": {
    "h": 246.207,
    "s": 93.548,
    "l": 6.078
  },
  "oklch": {
    "l": 0.11989,
    "c": 0.06596,
    "h": 279.2
  },
  "luminance": 0.00141
}

Semantic roles & 50–950 ramp

primary

#04011E

secondary

#5D6615

accent

#FF29E9

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000003

muted

#777778

Preview Lab

Preview with #04011E

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

Preview Lab → · Contrast checker → · Palette generator →