#12778F#12778F

#12778F is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.091 H 219.4°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#12778F
RGB	rgb(18, 119, 143)
HSL	hsl(192, 78%, 32%)
HSV	hsv(192, 87%, 56%)
CMYK	cmyk(87.4%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(46.05, -18.00, -20.68)
CIE-LCH	lch(46.05, 27.41, 228.96°)
OKLab	oklab(52.76% -0.0706 -0.0579)
OKLCH	oklch(52.76% 0.091 219.4)
XYZ	xyz(11.8021, 15.3039, 28.3132)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12778F #8F2A12

analogous

#128F69 #12778F #12398F

triadic

#12778F #8F1277 #778F12

tetradic

#12778F #69128F #8F2A12 #398F12

square

#12778F #69128F #8F2A12 #398F12

split-complementary

#12778F #8F1239 #8F6912

monochromatic

#041D22 #0B4A59 #12778F #19A4C5 #36C4E6

Accessibility & contrast

On white

5.17

#12778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#12778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12778F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12778F	#FFFFFF	#000000	##FFFFFF
##12778F	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687390

Deuteranopia (green-blind)

#58688F

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #12778f;
/* rgb */ color: rgb(18, 119, 143);
/* oklch */ color: oklch(52.8% 0.091 219.4);

Tailwind

colors: {
  custom: {
    50: '#6a9eaf',
    500: '#12778f',
    950: '#000000',
  },
}

SCSS

$custom: #12778f;
$custom-light: #6a9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#12778f",
  "rgb": {
    "r": 18,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 191.52,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.52757,
    "c": 0.09133,
    "h": 219.4
  },
  "luminance": 0.15305
}

Semantic roles & 50–950 ramp

primary

#12778F

secondary

#C3543A

accent

#5934F4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #12778F

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

Preview Lab → · Contrast checker → · Palette generator →