#123F2A#123F2A

#123F2A is a dark, moderate teal. Relative luminance 0.039; OKLCH L 33.0% C 0.062 H 159.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#123F2A
RGB	rgb(18, 63, 42)
HSL	hsl(152, 56%, 16%)
HSV	hsv(152, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 33.3%, 75.3%)
CIE-LAB	lab(23.17, -21.25, 8.47)
CIE-LCH	lch(23.17, 22.88, 158.26°)
OKLab	oklab(33.03% -0.0581 0.0215)
OKLCH	oklch(33.03% 0.062 159.7)
XYZ	xyz(2.4446, 3.8505, 2.8044)
Luminance	0.0385 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F2A #3F1227

analogous

#123F13 #123F2A #123D3F

triadic

#123F2A #2A123F #3F2A12

tetradic

#123F2A #13123F #3F1227 #3D3F12

square

#123F2A #13123F #3F1227 #3D3F12

split-complementary

#123F2A #3F123D #3F1312

monochromatic

#071810 #071810 #123F2A #206F4A #2D9E69

Accessibility & contrast

On white

11.86

#123F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F2A

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F2A	#FFFFFF	#000000	##FFFFFF
##123F2A	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A29

Deuteranopia (green-blind)

#38352B

Tritanopia (blue-blind)

#003F39

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123f2a;
/* rgb */ color: rgb(18, 63, 42);
/* oklch */ color: oklch(33.0% 0.062 159.7);

Tailwind

colors: {
  custom: {
    50: '#567463',
    500: '#123f2a',
    950: '#000000',
  },
}

SCSS

$custom: #123f2a;
$custom-light: #567463;
$custom-dark: #000000;

JSON

{
  "hex": "#123f2a",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 42
  },
  "hsl": {
    "h": 152,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33027,
    "c": 0.06192,
    "h": 159.7
  },
  "luminance": 0.03851
}

Semantic roles & 50–950 ramp

primary

#123F2A

secondary

#783554

accent

#498FDF

background

#F5F7F5

surface

#E9EDEA

border

#C5C8C6

text

#030805

muted

#787B79

Preview Lab

Preview with #123F2A

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

Preview Lab → · Contrast checker → · Palette generator →