#04041F#04041F

#04041F is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.4% C 0.059 H 275.0°. Best body text is #FFFFFF at 20.15:1 contrast (WCAG AA passes).

Color values

HEX	#04041F
RGB	rgb(4, 4, 31)
HSL	hsl(240, 77%, 7%)
HSV	hsv(240, 87%, 12%)
CMYK	cmyk(87.1%, 87.1%, 0%, 87.8%)
CIE-LAB	lab(1.91, 5.72, -15.05)
CIE-LCH	lch(1.91, 16.10, 290.81°)
OKLab	oklab(13.35% 0.0051 -0.0585)
OKLCH	oklch(13.35% 0.059 275)
XYZ	xyz(0.3407, 0.2115, 1.3189)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04041F #1F1F04

analogous

#04121F #04041F #12041F

triadic

#04041F #1F0404 #041F04

tetradic

#04041F #1F0412 #1F1F04 #041F12

square

#04041F #1F0412 #1F1F04 #041F12

split-complementary

#04041F #1F1204 #121F04

monochromatic

#03031B #03031B #04041F #0B0B55 #12128B

Accessibility & contrast

On white

20.15

#04041F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#04041F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04041F

20.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04041F	#FFFFFF	#000000	##FFFFFF
##04041F	1.00	20.15	1.04	20.15
#FFFFFF	20.15	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000820

Deuteranopia (green-blind)

#00061E

Tritanopia (blue-blind)

#000A10

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #04041f;
/* rgb */ color: rgb(4, 4, 31);
/* oklch */ color: oklch(13.4% 0.059 275.0);

Tailwind

colors: {
  custom: {
    50: '#48485a',
    500: '#04041f',
    950: '#000000',
  },
}

SCSS

$custom: #04041f;
$custom-light: #48485a;
$custom-dark: #000000;

JSON

{
  "hex": "#04041f",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 31
  },
  "hsl": {
    "h": 240,
    "s": 77.143,
    "l": 6.863
  },
  "oklch": {
    "l": 0.13351,
    "c": 0.05874,
    "h": 275
  },
  "luminance": 0.00212
}

Semantic roles & 50–950 ramp

primary

#04041F

secondary

#62621D

accent

#F434F4

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #04041F

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

Preview Lab → · Contrast checker → · Palette generator →