#12738C#12738C

#12738C is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.090 H 221.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#12738C
RGB	rgb(18, 115, 140)
HSL	hsl(192, 77%, 31%)
HSV	hsv(192, 87%, 55%)
CMYK	cmyk(87.1%, 17.9%, 0%, 45.1%)
CIE-LAB	lab(44.63, -16.87, -21.07)
CIE-LCH	lch(44.63, 26.99, 231.32°)
OKLab	oklab(51.58% -0.0679 -0.0591)
OKLCH	oklch(51.58% 0.09 221)
XYZ	xyz(11.1118, 14.2821, 26.9769)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12738C #8C2B12

analogous

#128C68 #12738C #12368C

triadic

#12738C #8C1273 #738C12

tetradic

#12738C #68128C #8C2B12 #368C12

square

#12738C #68128C #8C2B12 #368C12

split-complementary

#12738C #8C1236 #8C6812

monochromatic

#041A20 #0B4656 #12738C #19A0C2 #34C1E5

Accessibility & contrast

On white

5.44

#12738C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#12738C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12738C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12738C	#FFFFFF	#000000	##FFFFFF
##12738C	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708D

Deuteranopia (green-blind)

#55658C

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #12738c;
/* rgb */ color: rgb(18, 115, 140);
/* oklch */ color: oklch(51.6% 0.090 221.0);

Tailwind

colors: {
  custom: {
    50: '#699bad',
    500: '#12738c',
    950: '#000000',
  },
}

SCSS

$custom: #12738c;
$custom-light: #699bad;
$custom-dark: #000000;

JSON

{
  "hex": "#12738c",
  "rgb": {
    "r": 18,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 192.295,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5158,
    "c": 0.09003,
    "h": 221
  },
  "luminance": 0.14284
}

Semantic roles & 50–950 ramp

primary

#12738C

secondary

#C05539

accent

#5B34F4

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #12738C

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

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