#040E10#040E10

#040E10 is a very dark, near-neutral cyan. Relative luminance 0.004; OKLCH L 15.4% C 0.017 H 209.9°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#040E10
RGB	rgb(4, 14, 16)
HSL	hsl(190, 60%, 4%)
HSV	hsv(190, 75%, 6%)
CMYK	cmyk(75%, 12.5%, 0%, 93.7%)
CIE-LAB	lab(3.41, -2.38, -1.95)
CIE-LCH	lch(3.41, 3.07, 219.36°)
OKLab	oklab(15.4% -0.015 -0.0086)
OKLCH	oklch(15.4% 0.017 209.9)
XYZ	xyz(0.3006, 0.3773, 0.5471)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E10 #100604

analogous

#04100C #040E10 #040810

triadic

#040E10 #10040E #0E1004

tetradic

#040E10 #0C0410 #100604 #081004

square

#040E10 #0C0410 #100604 #081004

split-complementary

#040E10 #100408 #100C04

monochromatic

#061518 #061518 #061518 #103941 #1C6472

Accessibility & contrast

On white

19.53

#040E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E10

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E10	#FFFFFF	#000000	##FFFFFF
##040E10	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0D10

Deuteranopia (green-blind)

#0A0C10

Tritanopia (blue-blind)

#010F0F

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040e10;
/* rgb */ color: rgb(4, 14, 16);
/* oklch */ color: oklch(15.4% 0.017 209.9);

Tailwind

colors: {
  custom: {
    50: '#484d4e',
    500: '#040e10',
    950: '#000000',
  },
}

SCSS

$custom: #040e10;
$custom-light: #484d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#040e10",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 16
  },
  "hsl": {
    "h": 190,
    "s": 60,
    "l": 3.922
  },
  "oklch": {
    "l": 0.15396,
    "c": 0.01729,
    "h": 209.9
  },
  "luminance": 0.00377
}

Semantic roles & 50–950 ramp

primary

#040E10

secondary

#4F2820

accent

#5F45E3

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040E10

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

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