#12838C#12838C

#12838C is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.8% C 0.091 H 203.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#12838C
RGB	rgb(18, 131, 140)
HSL	hsl(184, 77%, 31%)
HSV	hsv(184, 87%, 55%)
CMYK	cmyk(87.1%, 6.4%, 0%, 45.1%)
CIE-LAB	lab(49.80, -25.37, -13.18)
CIE-LCH	lch(49.80, 28.59, 207.46°)
OKLab	oklab(55.75% -0.0838 -0.0367)
OKLCH	oklch(55.75% 0.091 203.7)
XYZ	xyz(13.0972, 18.2530, 27.6387)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12838C #8C1B12

analogous

#128C58 #12838C #12468C

triadic

#12838C #8C1283 #838C12

tetradic

#12838C #58128C #8C1B12 #468C12

square

#12838C #58128C #8C1B12 #468C12

split-complementary

#12838C #8C1246 #8C5812

monochromatic

#041E20 #0B5056 #12838C #19B6C2 #34D8E5

Accessibility & contrast

On white

4.52

#12838C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#12838C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12838C

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12838C	#FFFFFF	#000000	##000000
##12838C	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777D8D

Deuteranopia (green-blind)

#68728C

Tritanopia (blue-blind)

#008986

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #12838c;
/* rgb */ color: rgb(18, 131, 140);
/* oklch */ color: oklch(55.8% 0.091 203.7);

Tailwind

colors: {
  custom: {
    50: '#6ba7ad',
    500: '#12838c',
    950: '#000000',
  },
}

SCSS

$custom: #12838c;
$custom-light: #6ba7ad;
$custom-dark: #000000;

JSON

{
  "hex": "#12838c",
  "rgb": {
    "r": 18,
    "g": 131,
    "b": 140
  },
  "hsl": {
    "h": 184.426,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55753,
    "c": 0.09145,
    "h": 203.7
  },
  "luminance": 0.18255
}

Semantic roles & 50–950 ramp

primary

#12838C

secondary

#C04339

accent

#4234F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #12838C

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

Preview Lab → · Contrast checker → · Palette generator →