#12637D#12637D

#12637D is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.7% C 0.083 H 225.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#12637D
RGB	rgb(18, 99, 125)
HSL	hsl(195, 75%, 28%)
HSV	hsv(195, 86%, 49%)
CMYK	cmyk(85.6%, 20.8%, 0%, 51%)
CIE-LAB	lab(38.78, -13.31, -21.08)
CIE-LCH	lch(38.78, 24.93, 237.74°)
OKLab	oklab(46.67% -0.0581 -0.0592)
OKLCH	oklch(46.67% 0.083 225.5)
XYZ	xyz(8.4114, 10.5319, 20.9876)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12637D #7D2C12

analogous

#127D61 #12637D #122E7D

triadic

#12637D #7D1263 #637D12

tetradic

#12637D #61127D #7D2C12 #2E7D12

square

#12637D #61127D #7D2C12 #2E7D12

split-complementary

#12637D #7D122E #7D6112

monochromatic

#04151B #0A3948 #12637D #1A8DB2 #29B4E0

Accessibility & contrast

On white

6.76

#12637D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#12637D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12637D

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12637D	#FFFFFF	#000000	##FFFFFF
##12637D	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617E

Deuteranopia (green-blind)

#47577D

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #12637d;
/* rgb */ color: rgb(18, 99, 125);
/* oklch */ color: oklch(46.7% 0.083 225.5);

Tailwind

colors: {
  custom: {
    50: '#658fa2',
    500: '#12637d',
    950: '#000000',
  },
}

SCSS

$custom: #12637d;
$custom-light: #658fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#12637d",
  "rgb": {
    "r": 18,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 194.579,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.46665,
    "c": 0.083,
    "h": 225.5
  },
  "luminance": 0.10533
}

Semantic roles & 50–950 ramp

primary

#12637D

secondary

#B35638

accent

#6436F1

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #12637D

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

Preview Lab → · Contrast checker → · Palette generator →