#123737#123737

#123737 is a dark, muted teal. Relative luminance 0.031; OKLCH L 31.1% C 0.042 H 195.2°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#123737
RGB	rgb(18, 55, 55)
HSL	hsl(180, 51%, 14%)
HSV	hsv(180, 67%, 22%)
CMYK	cmyk(67.3%, 0%, 0%, 78.4%)
CIE-LAB	lab(20.58, -12.96, -3.95)
CIE-LCH	lch(20.58, 13.55, 196.94°)
OKLab	oklab(31.05% -0.0402 -0.0109)
OKLCH	oklch(31.05% 0.042 195.2)
XYZ	xyz(2.3049, 3.1366, 4.0976)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123737 #371212

analogous

#123725 #123737 #122537

triadic

#123737 #371237 #373712

tetradic

#123737 #251237 #371212 #253712

square

#123737 #251237 #371212 #253712

split-complementary

#123737 #371225 #372512

monochromatic

#081717 #081717 #123737 #216565 #309393

Accessibility & contrast

On white

12.90

#123737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#123737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123737

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123737	#FFFFFF	#000000	##FFFFFF
##123737	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333437

Deuteranopia (green-blind)

#2D3037

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123737;
/* rgb */ color: rgb(18, 55, 55);
/* oklch */ color: oklch(31.1% 0.042 195.2);

Tailwind

colors: {
  custom: {
    50: '#556e6d',
    500: '#123737',
    950: '#000000',
  },
}

SCSS

$custom: #123737;
$custom-light: #556e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#123737",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 180,
    "s": 50.685,
    "l": 14.314
  },
  "oklch": {
    "l": 0.31051,
    "c": 0.04168,
    "h": 195.2
  },
  "luminance": 0.03137
}

Semantic roles & 50–950 ramp

primary

#123737

secondary

#703535

accent

#4E4EDA

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #123737

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

Preview Lab → · Contrast checker → · Palette generator →