#123D37#123D37

#123D37 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.048 H 182.5°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#123D37
RGB	rgb(18, 61, 55)
HSL	hsl(172, 54%, 15%)
HSV	hsv(172, 70%, 24%)
CMYK	cmyk(70.5%, 0%, 9.8%, 76.1%)
CIE-LAB	lab(22.80, -16.43, -0.67)
CIE-LCH	lch(22.80, 16.45, 182.35°)
OKLab	oklab(32.85% -0.0481 -0.0021)
OKLCH	oklch(32.85% 0.048 182.5)
XYZ	xyz(2.6075, 3.7416, 4.1985)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D37 #3D1218

analogous

#123D21 #123D37 #122D3D

triadic

#123D37 #37123D #3D3712

tetradic

#123D37 #21123D #3D1218 #2D3D12

square

#123D37 #21123D #3D1218 #2D3D12

split-complementary

#123D37 #3D122D #3D2112

monochromatic

#071815 #071815 #123D37 #206C62 #2E9C8C

Accessibility & contrast

On white

12.01

#123D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D37

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D37	#FFFFFF	#000000	##FFFFFF
##123D37	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3937

Deuteranopia (green-blind)

#333438

Tritanopia (blue-blind)

#003E3B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123d37;
/* rgb */ color: rgb(18, 61, 55);
/* oklch */ color: oklch(32.8% 0.048 182.5);

Tailwind

colors: {
  custom: {
    50: '#56726d',
    500: '#123d37',
    950: '#000000',
  },
}

SCSS

$custom: #123d37;
$custom-light: #56726d;
$custom-dark: #000000;

JSON

{
  "hex": "#123d37",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 171.628,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32846,
    "c": 0.04815,
    "h": 182.5
  },
  "luminance": 0.03742
}

Semantic roles & 50–950 ramp

primary

#123D37

secondary

#76353E

accent

#4A5FDE

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #123D37

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

Preview Lab → · Contrast checker → · Palette generator →