#123B3D#123B3D

#123B3D is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.045 H 199.7°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#123B3D
RGB	rgb(18, 59, 61)
HSL	hsl(183, 54%, 15%)
HSV	hsv(183, 70%, 24%)
CMYK	cmyk(70.5%, 3.3%, 0%, 76.1%)
CIE-LAB	lab(22.28, -13.28, -5.47)
CIE-LCH	lch(22.28, 14.36, 202.39°)
OKLab	oklab(32.5% -0.0423 -0.0151)
OKLCH	oklch(32.5% 0.045 199.7)
XYZ	xyz(2.6554, 3.5932, 4.9676)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B3D #3D1412

analogous

#123D29 #123B3D #12253D

triadic

#123B3D #3D123B #3B3D12

tetradic

#123B3D #29123D #3D1412 #253D12

square

#123B3D #29123D #3D1412 #253D12

split-complementary

#123B3D #3D1225 #3D2912

monochromatic

#071718 #071718 #123B3D #20696C #2E969C

Accessibility & contrast

On white

12.22

#123B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#123B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B3D

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B3D	#FFFFFF	#000000	##FFFFFF
##123B3D	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36383D

Deuteranopia (green-blind)

#30333D

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123b3d;
/* rgb */ color: rgb(18, 59, 61);
/* oklch */ color: oklch(32.5% 0.045 199.7);

Tailwind

colors: {
  custom: {
    50: '#567172',
    500: '#123b3d',
    950: '#000000',
  },
}

SCSS

$custom: #123b3d;
$custom-light: #567172;
$custom-dark: #000000;

JSON

{
  "hex": "#123b3d",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 61
  },
  "hsl": {
    "h": 182.791,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32496,
    "c": 0.04493,
    "h": 199.7
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary

#123B3D

secondary

#763835

accent

#514ADE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #123B3D

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

Preview Lab → · Contrast checker → · Palette generator →