#123E37#123E37

#123E37 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.049 H 180.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#123E37
RGB	rgb(18, 62, 55)
HSL	hsl(170, 55%, 16%)
HSV	hsv(170, 71%, 24%)
CMYK	cmyk(71%, 0%, 11.3%, 75.7%)
CIE-LAB	lab(23.17, -16.99, -0.13)
CIE-LCH	lch(23.17, 17.00, 180.45°)
OKLab	oklab(33.15% -0.0494 -0.0006)
OKLCH	oklch(33.15% 0.049 180.7)
XYZ	xyz(2.6613, 3.8494, 4.2164)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E37 #3E1219

analogous

#123E21 #123E37 #122F3E

triadic

#123E37 #37123E #3E3712

tetradic

#123E37 #21123E #3E1219 #2F3E12

square

#123E37 #21123E #3E1219 #2F3E12

split-complementary

#123E37 #3E122F #3E2112

monochromatic

#071815 #071815 #123E37 #206D61 #2E9D8B

Accessibility & contrast

On white

11.86

#123E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E37

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E37	#FFFFFF	#000000	##FFFFFF
##123E37	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3A37

Deuteranopia (green-blind)

#353538

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123e37;
/* rgb */ color: rgb(18, 62, 55);
/* oklch */ color: oklch(33.1% 0.049 180.7);

Tailwind

colors: {
  custom: {
    50: '#56736d',
    500: '#123e37',
    950: '#000000',
  },
}

SCSS

$custom: #123e37;
$custom-light: #56736d;
$custom-dark: #000000;

JSON

{
  "hex": "#123e37",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 170.455,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33146,
    "c": 0.0494,
    "h": 180.7
  },
  "luminance": 0.0385
}

Semantic roles & 50–950 ramp

primary

#123E37

secondary

#77353F

accent

#4961DE

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #123E37

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

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