#040F10#040F10

#040F10 is a very dark, near-neutral teal. Relative luminance 0.004; OKLCH L 15.7% C 0.018 H 202.2°. Best body text is #FFFFFF at 19.43:1 contrast (WCAG AA passes).

Color values

HEX	#040F10
RGB	rgb(4, 15, 16)
HSL	hsl(185, 60%, 4%)
HSV	hsv(185, 75%, 6%)
CMYK	cmyk(75%, 6.2%, 0%, 93.7%)
CIE-LAB	lab(3.66, -2.88, -1.59)
CIE-LCH	lch(3.66, 3.29, 208.84°)
OKLab	oklab(15.74% -0.0167 -0.0068)
OKLCH	oklch(15.74% 0.018 202.2)
XYZ	xyz(0.3144, 0.4048, 0.5517)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040F10 #100504

analogous

#04100B #040F10 #040910

triadic

#040F10 #10040F #0F1004

tetradic

#040F10 #0B0410 #100504 #091004

square

#040F10 #0B0410 #100504 #091004

split-complementary

#040F10 #100409 #100B04

monochromatic

#061718 #061718 #061718 #103D41 #1C6B72

Accessibility & contrast

On white

19.43

#040F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040F10

19.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040F10	#FFFFFF	#000000	##FFFFFF
##040F10	1.00	19.43	1.08	19.43
#FFFFFF	19.43	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0E10

Deuteranopia (green-blind)

#0B0C10

Tritanopia (blue-blind)

#01100F

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #040f10;
/* rgb */ color: rgb(4, 15, 16);
/* oklch */ color: oklch(15.7% 0.018 202.2);

Tailwind

colors: {
  custom: {
    50: '#484e4e',
    500: '#040f10',
    950: '#000000',
  },
}

SCSS

$custom: #040f10;
$custom-light: #484e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#040f10",
  "rgb": {
    "r": 4,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 185,
    "s": 60,
    "l": 3.922
  },
  "oklch": {
    "l": 0.1574,
    "c": 0.01803,
    "h": 202.2
  },
  "luminance": 0.00405
}

Semantic roles & 50–950 ramp

primary

#040F10

secondary

#4F2420

accent

#5245E3

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040F10

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

Preview Lab → · Contrast checker → · Palette generator →