#123F47#123F47

#123F47 is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.1% C 0.050 H 211.6°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#123F47
RGB	rgb(18, 63, 71)
HSL	hsl(189, 60%, 17%)
HSV	hsv(189, 75%, 28%)
CMYK	cmyk(74.6%, 11.3%, 0%, 72.2%)
CIE-LAB	lab(24.12, -12.10, -9.35)
CIE-LCH	lch(24.12, 15.30, 217.70°)
OKLab	oklab(34.12% -0.0423 -0.026)
OKLCH	oklch(34.12% 0.05 211.6)
XYZ	xyz(3.1638, 4.1382, 6.5920)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F47 #471A12

analogous

#124735 #123F47 #122447

triadic

#123F47 #47123F #3F4712

tetradic

#123F47 #351247 #471A12 #244712

square

#123F47 #351247 #471A12 #244712

split-complementary

#123F47 #471224 #473512

monochromatic

#061618 #061618 #123F47 #1E6A78 #2B96A9

Accessibility & contrast

On white

11.49

#123F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#123F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F47

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F47	#FFFFFF	#000000	##FFFFFF
##123F47	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393D47

Deuteranopia (green-blind)

#313747

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123f47;
/* rgb */ color: rgb(18, 63, 71);
/* oklch */ color: oklch(34.1% 0.050 211.6);

Tailwind

colors: {
  custom: {
    50: '#58747a',
    500: '#123f47',
    950: '#000000',
  },
}

SCSS

$custom: #123f47;
$custom-light: #58747a;
$custom-dark: #000000;

JSON

{
  "hex": "#123f47",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 71
  },
  "hsl": {
    "h": 189.057,
    "s": 59.551,
    "l": 17.451
  },
  "oklch": {
    "l": 0.34116,
    "c": 0.04966,
    "h": 211.6
  },
  "luminance": 0.04139
}

Semantic roles & 50–950 ramp

primary

#123F47

secondary

#804035

accent

#5D45E3

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123F47

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

Preview Lab → · Contrast checker → · Palette generator →