#123B37#123B37

#123B37 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.046 H 186.3°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#123B37
RGB	rgb(18, 59, 55)
HSL	hsl(174, 53%, 15%)
HSV	hsv(174, 69%, 23%)
CMYK	cmyk(69.5%, 0%, 6.8%, 76.9%)
CIE-LAB	lab(22.06, -15.30, -1.76)
CIE-LCH	lch(22.06, 15.40, 186.56°)
OKLab	oklab(32.25% -0.0455 -0.005)
OKLCH	oklch(32.25% 0.046 186.3)
XYZ	xyz(2.5027, 3.5321, 4.1636)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B37 #3B1216

analogous

#123B22 #123B37 #122B3B

triadic

#123B37 #37123B #3B3712

tetradic

#123B37 #22123B #3B1216 #2B3B12

square

#123B37 #22123B #3B1216 #2B3B12

split-complementary

#123B37 #3B122B #3B2212

monochromatic

#071716 #071716 #123B37 #206A63 #2F998E

Accessibility & contrast

On white

12.31

#123B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B37

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B37	#FFFFFF	#000000	##FFFFFF
##123B37	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383737

Deuteranopia (green-blind)

#313337

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123b37;
/* rgb */ color: rgb(18, 59, 55);
/* oklch */ color: oklch(32.2% 0.046 186.3);

Tailwind

colors: {
  custom: {
    50: '#56716d',
    500: '#123b37',
    950: '#000000',
  },
}

SCSS

$custom: #123b37;
$custom-light: #56716d;
$custom-dark: #000000;

JSON

{
  "hex": "#123b37",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 174.146,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.32247,
    "c": 0.04578,
    "h": 186.3
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#123B37

secondary

#74353B

accent

#4B59DD

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #123B37

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

Preview Lab → · Contrast checker → · Palette generator →