#123C3D#123C3D

#123C3D is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.046 H 197.4°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#123C3D
RGB	rgb(18, 60, 61)
HSL	hsl(181, 54%, 15%)
HSV	hsv(181, 70%, 24%)
CMYK	cmyk(70.5%, 1.6%, 0%, 76.1%)
CIE-LAB	lab(22.64, -13.87, -4.92)
CIE-LCH	lch(22.64, 14.71, 199.54°)
OKLab	oklab(32.79% -0.0436 -0.0136)
OKLCH	oklch(32.79% 0.046 197.4)
XYZ	xyz(2.7073, 3.6969, 4.9849)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C3D #3D1312

analogous

#123D28 #123C3D #12263D

triadic

#123C3D #3D123C #3C3D12

tetradic

#123C3D #28123D #3D1312 #263D12

square

#123C3D #28123D #3D1312 #263D12

split-complementary

#123C3D #3D1226 #3D2812

monochromatic

#071718 #071718 #123C3D #206A6C #2E999C

Accessibility & contrast

On white

12.07

#123C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#123C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C3D

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C3D	#FFFFFF	#000000	##FFFFFF
##123C3D	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38393D

Deuteranopia (green-blind)

#31343D

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123c3d;
/* rgb */ color: rgb(18, 60, 61);
/* oklch */ color: oklch(32.8% 0.046 197.4);

Tailwind

colors: {
  custom: {
    50: '#577272',
    500: '#123c3d',
    950: '#000000',
  },
}

SCSS

$custom: #123c3d;
$custom-light: #577272;
$custom-dark: #000000;

JSON

{
  "hex": "#123c3d",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 61
  },
  "hsl": {
    "h": 181.395,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32791,
    "c": 0.04567,
    "h": 197.4
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#123C3D

secondary

#763635

accent

#4D4ADE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #123C3D

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

Preview Lab → · Contrast checker → · Palette generator →