#123F3E#123F3E

#123F3E is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.048 H 193.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#123F3E
RGB	rgb(18, 63, 62)
HSL	hsl(179, 56%, 16%)
HSV	hsv(179, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 1.6%, 75.3%)
CIE-LAB	lab(23.77, -15.27, -3.90)
CIE-LCH	lch(23.77, 15.76, 194.33°)
OKLab	oklab(33.72% -0.0469 -0.0108)
OKLCH	oklch(33.72% 0.048 193)
XYZ	xyz(2.8961, 4.0311, 5.1819)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F3E #3F1213

analogous

#123F27 #123F3E #12293F

triadic

#123F3E #3E123F #3F3E12

tetradic

#123F3E #27123F #3F1213 #293F12

square

#123F3E #27123F #3F1213 #293F12

split-complementary

#123F3E #3F1229 #3F2712

monochromatic

#071817 #071817 #123F3E #206F6D #2D9E9C

Accessibility & contrast

On white

11.63

#123F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F3E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F3E	#FFFFFF	#000000	##FFFFFF
##123F3E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C3E

Deuteranopia (green-blind)

#34363E

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123f3e;
/* rgb */ color: rgb(18, 63, 62);
/* oklch */ color: oklch(33.7% 0.048 193.0);

Tailwind

colors: {
  custom: {
    50: '#577473',
    500: '#123f3e',
    950: '#000000',
  },
}

SCSS

$custom: #123f3e;
$custom-light: #577473;
$custom-dark: #000000;

JSON

{
  "hex": "#123f3e",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 178.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33718,
    "c": 0.04813,
    "h": 193
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#123F3E

secondary

#783536

accent

#494CDF

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #123F3E

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

Preview Lab → · Contrast checker → · Palette generator →