#0F3F40#0F3F40

#0F3F40 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.050 H 197.1°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F40
RGB	rgb(15, 63, 64)
HSL	hsl(181, 62%, 15%)
HSV	hsv(181, 77%, 25%)
CMYK	cmyk(76.6%, 1.6%, 0%, 74.9%)
CIE-LAB	lab(23.76, -15.14, -5.27)
CIE-LCH	lch(23.76, 16.03, 199.17°)
OKLab	oklab(33.7% -0.0476 -0.0146)
OKLCH	oklch(33.7% 0.05 197.1)
XYZ	xyz(2.8995, 4.0264, 5.4739)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F40 #40100F

analogous

#0F4028 #0F3F40 #0F2640

triadic

#0F3F40 #400F3F #3F400F

tetradic

#0F3F40 #280F40 #40100F #26400F

square

#0F3F40 #280F40 #40100F #26400F

split-complementary

#0F3F40 #400F26 #40280F

monochromatic

#061819 #061819 #0F3F40 #1B7072 #26A1A3

Accessibility & contrast

On white

11.63

#0F3F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0F3F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F40

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F40	#FFFFFF	#000000	##FFFFFF
##0F3F40	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C40

Deuteranopia (green-blind)

#333640

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3f40;
/* rgb */ color: rgb(15, 63, 64);
/* oklch */ color: oklch(33.7% 0.050 197.1);

Tailwind

colors: {
  custom: {
    50: '#567474',
    500: '#0f3f40',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f40;
$custom-light: #567474;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f40",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 181.224,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33704,
    "c": 0.04977,
    "h": 197.1
  },
  "luminance": 0.04027
}

Semantic roles & 50–950 ramp

primary

#0F3F40

secondary

#7A3230

accent

#4643E5

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0F3F40

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

Preview Lab → · Contrast checker → · Palette generator →