#123C39#123C39

#123C39 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.6% C 0.046 H 188.6°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#123C39
RGB	rgb(18, 60, 57)
HSL	hsl(176, 54%, 15%)
HSV	hsv(176, 70%, 24%)
CMYK	cmyk(70%, 0%, 5%, 76.5%)
CIE-LAB	lab(22.50, -15.22, -2.46)
CIE-LCH	lch(22.50, 15.41, 189.17°)
OKLab	oklab(32.63% -0.0457 -0.0069)
OKLCH	oklch(32.63% 0.046 188.6)
XYZ	xyz(2.6035, 3.6554, 4.4385)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C39 #3C1215

analogous

#123C24 #123C39 #122A3C

triadic

#123C39 #39123C #3C3912

tetradic

#123C39 #24123C #3C1215 #2A3C12

square

#123C39 #24123C #3C1215 #2A3C12

split-complementary

#123C39 #3C122A #3C2412

monochromatic

#071816 #071816 #123C39 #206B66 #2E9A92

Accessibility & contrast

On white

12.13

#123C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#123C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C39

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C39	#FFFFFF	#000000	##FFFFFF
##123C39	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383939

Deuteranopia (green-blind)

#323439

Tritanopia (blue-blind)

#003E3B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123c39;
/* rgb */ color: rgb(18, 60, 57);
/* oklch */ color: oklch(32.6% 0.046 188.6);

Tailwind

colors: {
  custom: {
    50: '#56726f',
    500: '#123c39',
    950: '#000000',
  },
}

SCSS

$custom: #123c39;
$custom-light: #56726f;
$custom-dark: #000000;

JSON

{
  "hex": "#123c39",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 57
  },
  "hsl": {
    "h": 175.714,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.32625,
    "c": 0.04624,
    "h": 188.6
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#123C39

secondary

#753539

accent

#4B55DD

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #123C39

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

Preview Lab → · Contrast checker → · Palette generator →