#123F34#123F34

#123F34 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.053 H 173.8°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#123F34
RGB	rgb(18, 63, 52)
HSL	hsl(165, 56%, 16%)
HSV	hsv(165, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 17.5%, 75.3%)
CIE-LAB	lab(23.44, -18.47, 2.26)
CIE-LCH	lch(23.44, 18.60, 173.02°)
OKLab	oklab(33.34% -0.0524 0.0057)
OKLCH	oklch(33.34% 0.053 173.8)
XYZ	xyz(2.6465, 3.9313, 3.8675)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F34 #3F121D

analogous

#123F1D #123F34 #12333F

triadic

#123F34 #34123F #3F3412

tetradic

#123F34 #1D123F #3F121D #333F12

square

#123F34 #1D123F #3F121D #333F12

split-complementary

#123F34 #3F1233 #3F1D12

monochromatic

#071814 #071814 #123F34 #206F5B #2D9E83

Accessibility & contrast

On white

11.76

#123F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#123F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F34

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F34	#FFFFFF	#000000	##FFFFFF
##123F34	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B33

Deuteranopia (green-blind)

#363635

Tritanopia (blue-blind)

#00403C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123f34;
/* rgb */ color: rgb(18, 63, 52);
/* oklch */ color: oklch(33.3% 0.053 173.8);

Tailwind

colors: {
  custom: {
    50: '#56746b',
    500: '#123f34',
    950: '#000000',
  },
}

SCSS

$custom: #123f34;
$custom-light: #56746b;
$custom-dark: #000000;

JSON

{
  "hex": "#123f34",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 165.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33339,
    "c": 0.05268,
    "h": 173.8
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#123F34

secondary

#783545

accent

#496EDF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #123F34

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

Preview Lab → · Contrast checker → · Palette generator →