#123A37#123A37

#123A37 is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.045 H 188.3°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#123A37
RGB	rgb(18, 58, 55)
HSL	hsl(176, 53%, 15%)
HSV	hsv(176, 69%, 23%)
CMYK	cmyk(69%, 0%, 5.2%, 77.3%)
CIE-LAB	lab(21.69, -14.72, -2.30)
CIE-LCH	lch(21.69, 14.90, 188.89°)
OKLab	oklab(31.95% -0.0442 -0.0065)
OKLCH	oklch(31.95% 0.045 188.3)
XYZ	xyz(2.4518, 3.4303, 4.1466)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A37 #3A1215

analogous

#123A23 #123A37 #12293A

triadic

#123A37 #37123A #3A3712

tetradic

#123A37 #23123A #3A1215 #293A12

square

#123A37 #23123A #3A1215 #293A12

split-complementary

#123A37 #3A1229 #3A2312

monochromatic

#071716 #071716 #123A37 #206963 #2F9790

Accessibility & contrast

On white

12.45

#123A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#123A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A37

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A37	#FFFFFF	#000000	##FFFFFF
##123A37	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373737

Deuteranopia (green-blind)

#303237

Tritanopia (blue-blind)

#003C39

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123a37;
/* rgb */ color: rgb(18, 58, 55);
/* oklch */ color: oklch(31.9% 0.045 188.3);

Tailwind

colors: {
  custom: {
    50: '#56706d',
    500: '#123a37',
    950: '#000000',
  },
}

SCSS

$custom: #123a37;
$custom-light: #56706d;
$custom-dark: #000000;

JSON

{
  "hex": "#123a37",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 175.5,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.31947,
    "c": 0.04466,
    "h": 188.3
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#123A37

secondary

#73353A

accent

#4C57DC

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #123A37

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

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