#12858C#12858C

#12858C is a mid, moderate teal. Relative luminance 0.188; OKLCH L 56.3% C 0.092 H 201.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#12858C
RGB	rgb(18, 133, 140)
HSL	hsl(183, 77%, 31%)
HSV	hsv(183, 87%, 55%)
CMYK	cmyk(87.1%, 5%, 0%, 45.1%)
CIE-LAB	lab(50.45, -26.38, -12.21)
CIE-LCH	lch(50.45, 29.07, 204.83°)
OKLab	oklab(56.28% -0.0858 -0.034)
OKLCH	oklch(56.28% 0.092 201.6)
XYZ	xyz(13.3684, 18.7954, 27.7291)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12858C #8C1912

analogous

#128C56 #12858C #12488C

triadic

#12858C #8C1285 #858C12

tetradic

#12858C #56128C #8C1912 #488C12

square

#12858C #56128C #8C1912 #488C12

split-complementary

#12858C #8C1248 #8C5612

monochromatic

#041E20 #0B5156 #12858C #19B9C2 #34DBE5

Accessibility & contrast

On white

4.41

#12858C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#12858C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12858C

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12858C	#FFFFFF	#000000	##000000
##12858C	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F8D

Deuteranopia (green-blind)

#6A738C

Tritanopia (blue-blind)

#008B87

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #12858c;
/* rgb */ color: rgb(18, 133, 140);
/* oklch */ color: oklch(56.3% 0.092 201.6);

Tailwind

colors: {
  custom: {
    50: '#6ca9ad',
    500: '#12858c',
    950: '#000000',
  },
}

SCSS

$custom: #12858c;
$custom-light: #6ca9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#12858c",
  "rgb": {
    "r": 18,
    "g": 133,
    "b": 140
  },
  "hsl": {
    "h": 183.443,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.56276,
    "c": 0.09224,
    "h": 201.6
  },
  "luminance": 0.18797
}

Semantic roles & 50–950 ramp

primary

#12858C

secondary

#C04139

accent

#3F34F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #12858C

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

Preview Lab → · Contrast checker → · Palette generator →