#0B423B#0B423B

#0B423B is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.3% C 0.056 H 182.4°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#0B423B
RGB	rgb(11, 66, 59)
HSL	hsl(172, 71%, 15%)
HSV	hsv(172, 83%, 26%)
CMYK	cmyk(83.3%, 0%, 10.6%, 74.1%)
CIE-LAB	lab(24.59, -19.14, -0.74)
CIE-LCH	lch(24.59, 19.16, 182.20°)
OKLab	oklab(34.29% -0.0559 -0.0023)
OKLCH	oklch(34.29% 0.056 182.4)
XYZ	xyz(2.8753, 4.2830, 4.8120)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B423B #420B12

analogous

#0B4220 #0B423B #0B2D42

triadic

#0B423B #3B0B42 #423B0B

tetradic

#0B423B #200B42 #420B12 #2D420B

square

#0B423B #200B42 #420B12 #2D420B

split-complementary

#0B423B #420B2D #42200B

monochromatic

#041A17 #041A17 #0B423B #14766A #1CAB99

Accessibility & contrast

On white

11.31

#0B423B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0B423B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B423B

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B423B	#FFFFFF	#000000	##FFFFFF
##0B423B	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3E3B

Deuteranopia (green-blind)

#37383C

Tritanopia (blue-blind)

#004340

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0b423b;
/* rgb */ color: rgb(11, 66, 59);
/* oklch */ color: oklch(34.3% 0.056 182.4);

Tailwind

colors: {
  custom: {
    50: '#557770',
    500: '#0b423b',
    950: '#000000',
  },
}

SCSS

$custom: #0b423b;
$custom-light: #557770;
$custom-dark: #000000;

JSON

{
  "hex": "#0b423b",
  "rgb": {
    "r": 11,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 172.364,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34291,
    "c": 0.05593,
    "h": 182.4
  },
  "luminance": 0.04283
}

Semantic roles & 50–950 ramp

primary

#0B423B

secondary

#7F2A35

accent

#3A51EE

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0B423B

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

Preview Lab → · Contrast checker → · Palette generator →