#123D3A#123D3A

#123D3A is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.047 H 188.7°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#123D3A
RGB	rgb(18, 61, 58)
HSL	hsl(176, 54%, 15%)
HSV	hsv(176, 70%, 24%)
CMYK	cmyk(70.5%, 0%, 4.9%, 76.1%)
CIE-LAB	lab(22.90, -15.46, -2.53)
CIE-LCH	lch(22.90, 15.67, 189.29°)
OKLab	oklab(32.96% -0.0465 -0.0071)
OKLCH	oklch(32.96% 0.047 188.7)
XYZ	xyz(2.6816, 3.7713, 4.5888)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D3A #3D1215

analogous

#123D24 #123D3A #122A3D

triadic

#123D3A #3A123D #3D3A12

tetradic

#123D3A #24123D #3D1215 #2A3D12

square

#123D3A #24123D #3D1215 #2A3D12

split-complementary

#123D3A #3D122A #3D2412

monochromatic

#071816 #071816 #123D3A #206C67 #2E9C94

Accessibility & contrast

On white

11.97

#123D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D3A

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D3A	#FFFFFF	#000000	##FFFFFF
##123D3A	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39393A

Deuteranopia (green-blind)

#33353A

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123d3a;
/* rgb */ color: rgb(18, 61, 58);
/* oklch */ color: oklch(33.0% 0.047 188.7);

Tailwind

colors: {
  custom: {
    50: '#567270',
    500: '#123d3a',
    950: '#000000',
  },
}

SCSS

$custom: #123d3a;
$custom-light: #567270;
$custom-dark: #000000;

JSON

{
  "hex": "#123d3a",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 175.814,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32963,
    "c": 0.04701,
    "h": 188.7
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#123D3A

secondary

#763539

accent

#4A54DE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #123D3A

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

Preview Lab → · Contrast checker → · Palette generator →