#12738D#12738D

#12738D is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.091 H 221.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#12738D
RGB	rgb(18, 115, 141)
HSL	hsl(193, 77%, 31%)
HSV	hsv(193, 87%, 55%)
CMYK	cmyk(87.2%, 18.4%, 0%, 44.7%)
CIE-LAB	lab(44.68, -16.51, -21.60)
CIE-LCH	lch(44.68, 27.19, 232.61°)
OKLab	oklab(51.63% -0.0675 -0.0606)
OKLCH	oklch(51.63% 0.091 221.9)
XYZ	xyz(11.1859, 14.3117, 27.3670)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12738D #8D2C12

analogous

#128D69 #12738D #12358D

triadic

#12738D #8D1273 #738D12

tetradic

#12738D #69128D #8D2C12 #358D12

square

#12738D #69128D #8D2C12 #358D12

split-complementary

#12738D #8D1235 #8D6912

monochromatic

#041A20 #0B4757 #12738D #199FC3 #34C0E5

Accessibility & contrast

On white

5.44

#12738D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#12738D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12738D

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12738D	#FFFFFF	#000000	##FFFFFF
##12738D	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)

#64708E

Deuteranopia (green-blind)

#54658D

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #12738d;
/* rgb */ color: rgb(18, 115, 141);
/* oklch */ color: oklch(51.6% 0.091 221.9);

Tailwind

colors: {
  custom: {
    50: '#6a9bae',
    500: '#12738d',
    950: '#000000',
  },
}

SCSS

$custom: #12738d;
$custom-light: #6a9bae;
$custom-dark: #000000;

JSON

{
  "hex": "#12738d",
  "rgb": {
    "r": 18,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 192.683,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51627,
    "c": 0.09073,
    "h": 221.9
  },
  "luminance": 0.14313
}

Semantic roles & 50–950 ramp

primary

#12738D

secondary

#C15639

accent

#5C34F4

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #12738D

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

Preview Lab → · Contrast checker → · Palette generator →