#123F37#123F37

#123F37 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.4% C 0.051 H 179.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#123F37
RGB	rgb(18, 63, 55)
HSL	hsl(169, 56%, 16%)
HSV	hsv(169, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 12.7%, 75.3%)
CIE-LAB	lab(23.54, -17.55, 0.40)
CIE-LCH	lch(23.54, 17.55, 178.68°)
OKLab	oklab(33.45% -0.0507 0.0008)
OKLCH	oklch(33.45% 0.051 179.1)
XYZ	xyz(2.7162, 3.9592, 4.2347)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F37 #3F121A

analogous

#123F20 #123F37 #12303F

triadic

#123F37 #37123F #3F3712

tetradic

#123F37 #20123F #3F121A #303F12

square

#123F37 #20123F #3F121A #303F12

split-complementary

#123F37 #3F1230 #3F2012

monochromatic

#071815 #071815 #123F37 #206F61 #2D9E8A

Accessibility & contrast

On white

11.72

#123F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#123F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F37

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F37	#FFFFFF	#000000	##FFFFFF
##123F37	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B37

Deuteranopia (green-blind)

#363638

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123f37;
/* rgb */ color: rgb(18, 63, 55);
/* oklch */ color: oklch(33.4% 0.051 179.1);

Tailwind

colors: {
  custom: {
    50: '#56746d',
    500: '#123f37',
    950: '#000000',
  },
}

SCSS

$custom: #123f37;
$custom-light: #56746d;
$custom-dark: #000000;

JSON

{
  "hex": "#123f37",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 169.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33446,
    "c": 0.0507,
    "h": 179.1
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#123F37

secondary

#783541

accent

#4964DF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #123F37

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

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