#123F41#123F41

#123F41 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.048 H 199.3°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#123F41
RGB	rgb(18, 63, 65)
HSL	hsl(183, 57%, 16%)
HSV	hsv(183, 72%, 25%)
CMYK	cmyk(72.3%, 3.1%, 0%, 74.5%)
CIE-LAB	lab(23.88, -14.24, -5.73)
CIE-LCH	lch(23.88, 15.35, 201.92°)
OKLab	oklab(33.85% -0.0453 -0.0159)
OKLCH	oklch(33.85% 0.048 199.3)
XYZ	xyz(2.9807, 4.0649, 5.6275)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F41 #411412

analogous

#12412C #123F41 #122841

triadic

#123F41 #41123F #3F4112

tetradic

#123F41 #2C1241 #411412 #284112

square

#123F41 #2C1241 #411412 #284112

split-complementary

#123F41 #411228 #412C12

monochromatic

#071718 #071718 #123F41 #1F6D71 #2D9CA1

Accessibility & contrast

On white

11.58

#123F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F41

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F41	#FFFFFF	#000000	##FFFFFF
##123F41	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C41

Deuteranopia (green-blind)

#333741

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123f41;
/* rgb */ color: rgb(18, 63, 65);
/* oklch */ color: oklch(33.8% 0.048 199.3);

Tailwind

colors: {
  custom: {
    50: '#577475',
    500: '#123f41',
    950: '#000000',
  },
}

SCSS

$custom: #123f41;
$custom-light: #577475;
$custom-dark: #000000;

JSON

{
  "hex": "#123f41",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 65
  },
  "hsl": {
    "h": 182.553,
    "s": 56.627,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33845,
    "c": 0.04802,
    "h": 199.3
  },
  "luminance": 0.04065
}

Semantic roles & 50–950 ramp

primary

#123F41

secondary

#7A3835

accent

#4E48E0

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #123F41

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

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