#040B08#040B08

#040B08 is a very dark, near-neutral teal. Relative luminance 0.003; OKLCH L 14.0% C 0.015 H 169.1°. Best body text is #FFFFFF at 19.88:1 contrast (WCAG AA passes).

Color values

HEX	#040B08
RGB	rgb(4, 11, 8)
HSL	hsl(154, 47%, 3%)
HSV	hsv(154, 64%, 4%)
CMYK	cmyk(63.6%, 0%, 27.3%, 95.7%)
CIE-LAB	lab(2.55, -2.26, 0.50)
CIE-LCH	lch(2.55, 2.31, 167.56°)
OKLab	oklab(13.95% -0.0148 0.0029)
OKLCH	oklch(13.95% 0.015 169.1)
XYZ	xyz(0.2136, 0.2827, 0.2730)
Luminance	0.0028 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040B08 #0B0407

analogous

#040B04 #040B08 #040A0B

triadic

#040B08 #08040B #0B0804

tetradic

#040B08 #04040B #0B0407 #0A0B04

square

#040B08 #04040B #0B0407 #0A0B04

split-complementary

#040B08 #0B040A #0B0404

monochromatic

#081610 #081610 #081610 #143829 #256549

Accessibility & contrast

On white

19.88

#040B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040B08

19.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040B08	#FFFFFF	#000000	##FFFFFF
##040B08	1.00	19.88	1.06	19.88
#FFFFFF	19.88	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0A08

Deuteranopia (green-blind)

#090908

Tritanopia (blue-blind)

#030B0A

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #040b08;
/* rgb */ color: rgb(4, 11, 8);
/* oklch */ color: oklch(14.0% 0.015 169.1);

Tailwind

colors: {
  custom: {
    50: '#484c4a',
    500: '#040b08',
    950: '#000000',
  },
}

SCSS

$custom: #040b08;
$custom-light: #484c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#040b08",
  "rgb": {
    "r": 4,
    "g": 11,
    "b": 8
  },
  "hsl": {
    "h": 154.286,
    "s": 46.667,
    "l": 2.941
  },
  "oklch": {
    "l": 0.1395,
    "c": 0.01504,
    "h": 169.1
  },
  "luminance": 0.00283
}

Semantic roles & 50–950 ramp

primary

#040B08

secondary

#472433

accent

#518AD6

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040B08

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

Preview Lab → · Contrast checker → · Palette generator →