#12878E#12878E

#12878E is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.9% C 0.093 H 201.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#12878E
RGB	rgb(18, 135, 142)
HSL	hsl(183, 78%, 31%)
HSV	hsv(183, 87%, 56%)
CMYK	cmyk(87.3%, 4.9%, 0%, 44.3%)
CIE-LAB	lab(51.16, -26.73, -12.30)
CIE-LCH	lch(51.16, 29.42, 204.71°)
OKLab	oklab(56.88% -0.0868 -0.0342)
OKLCH	oklch(56.88% 0.093 201.5)
XYZ	xyz(13.7937, 19.4077, 28.6050)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12878E #8E1912

analogous

#128E57 #12878E #12498E

triadic

#12878E #8E1287 #878E12

tetradic

#12878E #57128E #8E1912 #498E12

square

#12878E #57128E #8E1912 #498E12

split-complementary

#12878E #8E1249 #8E5712

monochromatic

#042021 #0B5358 #12878E #19BBC4 #35DBE5

Accessibility & contrast

On white

4.30

#12878E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#12878E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12878E

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12878E	#FFFFFF	#000000	##000000
##12878E	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C818F

Deuteranopia (green-blind)

#6C758E

Tritanopia (blue-blind)

#008D89

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #12878e;
/* rgb */ color: rgb(18, 135, 142);
/* oklch */ color: oklch(56.9% 0.093 201.5);

Tailwind

colors: {
  custom: {
    50: '#6caaaf',
    500: '#12878e',
    950: '#000000',
  },
}

SCSS

$custom: #12878e;
$custom-light: #6caaaf;
$custom-dark: #000000;

JSON

{
  "hex": "#12878e",
  "rgb": {
    "r": 18,
    "g": 135,
    "b": 142
  },
  "hsl": {
    "h": 183.387,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56879,
    "c": 0.09334,
    "h": 201.5
  },
  "luminance": 0.1941
}

Semantic roles & 50–950 ramp

primary

#12878E

secondary

#C2413A

accent

#3F34F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #12878E

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

Preview Lab → · Contrast checker → · Palette generator →