#123D39#123D39

#123D39 is a dark, muted teal. Relative luminance 0.038; OKLCH L 32.9% C 0.047 H 186.6°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#123D39
RGB	rgb(18, 61, 57)
HSL	hsl(174, 54%, 15%)
HSV	hsv(174, 70%, 24%)
CMYK	cmyk(70.5%, 0%, 6.6%, 76.1%)
CIE-LAB	lab(22.87, -15.79, -1.91)
CIE-LCH	lch(22.87, 15.90, 186.91°)
OKLab	oklab(32.92% -0.047 -0.0054)
OKLCH	oklch(32.92% 0.047 186.6)
XYZ	xyz(2.6564, 3.7612, 4.4561)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D39 #3D1216

analogous

#123D23 #123D39 #122B3D

triadic

#123D39 #39123D #3D3912

tetradic

#123D39 #23123D #3D1216 #2B3D12

square

#123D39 #23123D #3D1216 #2B3D12

split-complementary

#123D39 #3D122B #3D2312

monochromatic

#071816 #071816 #123D39 #206C65 #2E9C91

Accessibility & contrast

On white

11.98

#123D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D39

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D39	#FFFFFF	#000000	##FFFFFF
##123D39	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3939

Deuteranopia (green-blind)

#333539

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123d39;
/* rgb */ color: rgb(18, 61, 57);
/* oklch */ color: oklch(32.9% 0.047 186.6);

Tailwind

colors: {
  custom: {
    50: '#56726f',
    500: '#123d39',
    950: '#000000',
  },
}

SCSS

$custom: #123d39;
$custom-light: #56726f;
$custom-dark: #000000;

JSON

{
  "hex": "#123d39",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 57
  },
  "hsl": {
    "h": 174.419,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32923,
    "c": 0.04732,
    "h": 186.6
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#123D39

secondary

#76353B

accent

#4A58DE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #123D39

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

Preview Lab → · Contrast checker → · Palette generator →