#12819E#12819E

#12819E is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.0% C 0.099 H 221.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#12819E
RGB	rgb(18, 129, 158)
HSL	hsl(192, 80%, 35%)
HSV	hsv(192, 89%, 62%)
CMYK	cmyk(88.6%, 18.4%, 0%, 38%)
CIE-LAB	lab(49.85, -18.11, -23.62)
CIE-LCH	lch(49.85, 29.77, 232.52°)
OKLab	oklab(56.02% -0.0741 -0.0663)
OKLCH	oklch(56.02% 0.099 221.8)
XYZ	xyz(14.2686, 18.2959, 35.1205)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12819E #9E2F12

analogous

#129E75 #12819E #123B9E

triadic

#12819E #9E1281 #819E12

tetradic

#12819E #75129E #9E2F12 #3B9E12

square

#12819E #75129E #9E2F12 #3B9E12

split-complementary

#12819E #9E123B #9E7512

monochromatic

#052730 #0C5467 #12819E #18AED5 #41C6E9

Accessibility & contrast

On white

4.51

#12819E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#12819E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #12819E

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12819E	#FFFFFF	#000000	##000000
##12819E	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707E9F

Deuteranopia (green-blind)

#5F719E

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #12819e;
/* rgb */ color: rgb(18, 129, 158);
/* oklch */ color: oklch(56.0% 0.099 221.8);

Tailwind

colors: {
  custom: {
    50: '#6ea5ba',
    500: '#12819e',
    950: '#000000',
  },
}

SCSS

$custom: #12819e;
$custom-light: #6ea5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#12819e",
  "rgb": {
    "r": 18,
    "g": 129,
    "b": 158
  },
  "hsl": {
    "h": 192.429,
    "s": 79.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56023,
    "c": 0.09945,
    "h": 221.8
  },
  "luminance": 0.18298
}

Semantic roles & 50–950 ramp

primary

#12819E

secondary

#C95E42

accent

#5A32F6

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #12819E

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

Preview Lab → · Contrast checker → · Palette generator →