#12373E#12373E

#12373E is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.4% C 0.043 H 212.1°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#12373E
RGB	rgb(18, 55, 62)
HSL	hsl(190, 55%, 16%)
HSV	hsv(190, 71%, 24%)
CMYK	cmyk(71%, 11.3%, 0%, 75.7%)
CIE-LAB	lab(20.86, -10.48, -8.28)
CIE-LCH	lch(20.86, 13.36, 218.30°)
OKLab	oklab(31.37% -0.0366 -0.023)
OKLCH	oklch(31.37% 0.043 212.1)
XYZ	xyz(2.4848, 3.2085, 5.0448)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12373E #3E1912

analogous

#123E2F #12373E #12213E

triadic

#12373E #3E1237 #373E12

tetradic

#12373E #2F123E #3E1912 #213E12

square

#12373E #2F123E #3E1912 #213E12

split-complementary

#12373E #3E1221 #3E2F12

monochromatic

#071518 #071518 #12373E #20616D #2E8B9D

Accessibility & contrast

On white

12.79

#12373E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#12373E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12373E

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12373E	#FFFFFF	#000000	##FFFFFF
##12373E	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31353E

Deuteranopia (green-blind)

#2B303E

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #12373e;
/* rgb */ color: rgb(18, 55, 62);
/* oklch */ color: oklch(31.4% 0.043 212.1);

Tailwind

colors: {
  custom: {
    50: '#566e73',
    500: '#12373e',
    950: '#000000',
  },
}

SCSS

$custom: #12373e;
$custom-light: #566e73;
$custom-dark: #000000;

JSON

{
  "hex": "#12373e",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 189.545,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.31366,
    "c": 0.04323,
    "h": 212.1
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#12373E

secondary

#773F35

accent

#6149DE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #12373E

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

Preview Lab → · Contrast checker → · Palette generator →