#0B3F41#0B3F41

#0B3F41 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.052 H 198.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#0B3F41
RGB	rgb(11, 63, 65)
HSL	hsl(182, 71%, 15%)
HSV	hsv(182, 83%, 25%)
CMYK	cmyk(83.1%, 3.1%, 0%, 74.5%)
CIE-LAB	lab(23.70, -15.42, -6.03)
CIE-LCH	lch(23.70, 16.56, 201.37°)
OKLab	oklab(33.64% -0.0491 -0.0168)
OKLCH	oklch(33.64% 0.052 198.9)
XYZ	xyz(2.8692, 4.0075, 5.6223)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3F41 #410D0B

analogous

#0B4128 #0B3F41 #0B2441

triadic

#0B3F41 #410B3F #3F410B

tetradic

#0B3F41 #280B41 #410D0B #24410B

square

#0B3F41 #280B41 #410D0B #24410B

split-complementary

#0B3F41 #410B24 #41280B

monochromatic

#04191A #04191A #0B3F41 #147275 #1DA4AA

Accessibility & contrast

On white

11.66

#0B3F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0B3F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3F41

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3F41	#FFFFFF	#000000	##FFFFFF
##0B3F41	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C41

Deuteranopia (green-blind)

#323641

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0b3f41;
/* rgb */ color: rgb(11, 63, 65);
/* oklch */ color: oklch(33.6% 0.052 198.9);

Tailwind

colors: {
  custom: {
    50: '#557475',
    500: '#0b3f41',
    950: '#000000',
  },
}

SCSS

$custom: #0b3f41;
$custom-light: #557475;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3f41",
  "rgb": {
    "r": 11,
    "g": 63,
    "b": 65
  },
  "hsl": {
    "h": 182.222,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.33638,
    "c": 0.05183,
    "h": 198.9
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#0B3F41

secondary

#7E2D2A

accent

#413AEE

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3F41

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

Preview Lab → · Contrast checker → · Palette generator →