#12403F#12403F

#12403F is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.1% C 0.049 H 193.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#12403F
RGB	rgb(18, 64, 63)
HSL	hsl(179, 56%, 16%)
HSV	hsv(179, 72%, 25%)
CMYK	cmyk(71.9%, 0%, 1.6%, 74.9%)
CIE-LAB	lab(24.17, -15.51, -3.97)
CIE-LCH	lch(24.17, 16.01, 194.37°)
OKLab	oklab(34.05% -0.0476 -0.011)
OKLCH	oklch(34.05% 0.049 193.1)
XYZ	xyz(2.9797, 4.1539, 5.3464)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12403F #401213

analogous

#124028 #12403F #122A40

triadic

#12403F #3F1240 #403F12

tetradic

#12403F #281240 #401213 #2A4012

square

#12403F #281240 #401213 #2A4012

split-complementary

#12403F #40122A #402812

monochromatic

#071818 #071818 #12403F #1F706E #2DA09D

Accessibility & contrast

On white

11.47

#12403F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#12403F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12403F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12403F	#FFFFFF	#000000	##FFFFFF
##12403F	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D3F

Deuteranopia (green-blind)

#35373F

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #12403f;
/* rgb */ color: rgb(18, 64, 63);
/* oklch */ color: oklch(34.1% 0.049 193.1);

Tailwind

colors: {
  custom: {
    50: '#577574',
    500: '#12403f',
    950: '#000000',
  },
}

SCSS

$custom: #12403f;
$custom-light: #577574;
$custom-dark: #000000;

JSON

{
  "hex": "#12403f",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 178.696,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.34054,
    "c": 0.04888,
    "h": 193.1
  },
  "luminance": 0.04154
}

Semantic roles & 50–950 ramp

primary

#12403F

secondary

#793536

accent

#484CDF

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #12403F

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

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