#0B4B39#0B4B39

#0B4B39 is a dark, moderate teal. Relative luminance 0.054; OKLCH L 36.9% C 0.069 H 168.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B4B39
RGB	rgb(11, 75, 57)
HSL	hsl(163, 74%, 17%)
HSV	hsv(163, 85%, 29%)
CMYK	cmyk(85.3%, 0%, 24%, 70.6%)
CIE-LAB	lab(27.84, -24.35, 5.26)
CIE-LCH	lch(27.84, 24.91, 167.80°)
OKLab	oklab(36.93% -0.0676 0.0135)
OKLCH	oklch(36.93% 0.069 168.8)
XYZ	xyz(3.3922, 5.3983, 4.7333)
Luminance	0.0540 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4B39 #4B0B1D

analogous

#0B4B19 #0B4B39 #0B3D4B

triadic

#0B4B39 #390B4B #4B390B

tetradic

#0B4B39 #190B4B #4B0B1D #3D4B0B

square

#0B4B39 #190B4B #4B0B1D #3D4B0B

split-complementary

#0B4B39 #4B0B3D #4B190B

monochromatic

#041B14 #041B14 #0B4B39 #138062 #1BB68A

Accessibility & contrast

On white

10.10

#0B4B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#0B4B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4B39

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4B39	#FFFFFF	#000000	##FFFFFF
##0B4B39	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494538

Deuteranopia (green-blind)

#413F3A

Tritanopia (blue-blind)

#004B46

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #0b4b39;
/* rgb */ color: rgb(11, 75, 57);
/* oklch */ color: oklch(36.9% 0.069 168.8);

Tailwind

colors: {
  custom: {
    50: '#577e6f',
    500: '#0b4b39',
    950: '#000000',
  },
}

SCSS

$custom: #0b4b39;
$custom-light: #577e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4b39",
  "rgb": {
    "r": 11,
    "g": 75,
    "b": 57
  },
  "hsl": {
    "h": 163.125,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.36934,
    "c": 0.06895,
    "h": 168.8
  },
  "luminance": 0.05399
}

Semantic roles & 50–950 ramp

primary

#0B4B39

secondary

#872B45

accent

#376BF1

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#040A07

muted

#797C7A

Preview Lab

Preview with #0B4B39

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

Preview Lab → · Contrast checker → · Palette generator →