#12637F#12637F

#12637F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.085 H 227.4°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#12637F
RGB	rgb(18, 99, 127)
HSL	hsl(195, 75%, 28%)
HSV	hsv(195, 86%, 50%)
CMYK	cmyk(85.8%, 22%, 0%, 50.2%)
CIE-LAB	lab(38.87, -12.56, -22.16)
CIE-LCH	lch(38.87, 25.47, 240.46°)
OKLab	oklab(46.77% -0.0573 -0.0623)
OKLCH	oklch(46.77% 0.085 227.4)
XYZ	xyz(8.5405, 10.5835, 21.6673)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12637F #7F2E12

analogous

#127F64 #12637F #122C7F

triadic

#12637F #7F1263 #637F12

tetradic

#12637F #64127F #7F2E12 #2C7F12

square

#12637F #64127F #7F2E12 #2C7F12

split-complementary

#12637F #7F122C #7F6412

monochromatic

#04151B #0A3949 #12637F #1A8DB5 #2BB2E1

Accessibility & contrast

On white

6.74

#12637F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#12637F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12637F

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12637F	#FFFFFF	#000000	##FFFFFF
##12637F	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546180

Deuteranopia (green-blind)

#46577F

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #12637f;
/* rgb */ color: rgb(18, 99, 127);
/* oklch */ color: oklch(46.8% 0.085 227.4);

Tailwind

colors: {
  custom: {
    50: '#668fa4',
    500: '#12637f',
    950: '#000000',
  },
}

SCSS

$custom: #12637f;
$custom-light: #668fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#12637f",
  "rgb": {
    "r": 18,
    "g": 99,
    "b": 127
  },
  "hsl": {
    "h": 195.413,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.46766,
    "c": 0.0847,
    "h": 227.4
  },
  "luminance": 0.10585
}

Semantic roles & 50–950 ramp

primary

#12637F

secondary

#B55838

accent

#6636F2

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #12637F

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

Preview Lab → · Contrast checker → · Palette generator →