#03100B#03100B

#03100B is a very dark, muted teal. Relative luminance 0.004; OKLCH L 15.8% C 0.024 H 169.2°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#03100B
RGB	rgb(3, 16, 11)
HSL	hsl(157, 68%, 4%)
HSV	hsv(157, 81%, 6%)
CMYK	cmyk(81.3%, 0%, 31.3%, 93.7%)
CIE-LAB	lab(3.74, -4.52, 0.99)
CIE-LCH	lch(3.74, 4.63, 167.62°)
OKLab	oklab(15.76% -0.0234 0.0045)
OKLCH	oklch(15.76% 0.024 169.2)
XYZ	xyz(0.2832, 0.4141, 0.3815)
Luminance	0.0041 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03100B #100308

analogous

#031004 #03100B #030E10

triadic

#03100B #0B0310 #100B03

tetradic

#03100B #040310 #100308 #0E1003

square

#03100B #040310 #100308 #0E1003

split-complementary

#03100B #10030E #100403

monochromatic

#051A12 #051A12 #051A12 #0D442E #167752

Accessibility & contrast

On white

19.39

#03100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#03100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03100B

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03100B	#FFFFFF	#000000	##FFFFFF
##03100B	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0E0B

Deuteranopia (green-blind)

#0D0D0B

Tritanopia (blue-blind)

#00100F

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #03100b;
/* rgb */ color: rgb(3, 16, 11);
/* oklch */ color: oklch(15.8% 0.024 169.2);

Tailwind

colors: {
  custom: {
    50: '#484e4c',
    500: '#03100b',
    950: '#000000',
  },
}

SCSS

$custom: #03100b;
$custom-light: #484e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#03100b",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 156.923,
    "s": 68.421,
    "l": 3.725
  },
  "oklch": {
    "l": 0.1576,
    "c": 0.02383,
    "h": 169.2
  },
  "luminance": 0.00414
}

Semantic roles & 50–950 ramp

primary

#03100B

secondary

#521D31

accent

#3D80EB

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #03100B

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

Preview Lab → · Contrast checker → · Palette generator →