#12637E#12637E

#12637E is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.7% C 0.084 H 226.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#12637E
RGB	rgb(18, 99, 126)
HSL	hsl(195, 75%, 28%)
HSV	hsv(195, 86%, 49%)
CMYK	cmyk(85.7%, 21.4%, 0%, 50.6%)
CIE-LAB	lab(38.83, -12.93, -21.62)
CIE-LCH	lch(38.83, 25.19, 239.11°)
OKLab	oklab(46.72% -0.0577 -0.0608)
OKLCH	oklch(46.72% 0.084 226.5)
XYZ	xyz(8.4756, 10.5576, 21.3257)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12637E #7E2D12

analogous

#127E63 #12637E #122D7E

triadic

#12637E #7E1263 #637E12

tetradic

#12637E #63127E #7E2D12 #2D7E12

square

#12637E #63127E #7E2D12 #2D7E12

split-complementary

#12637E #7E122D #7E6312

monochromatic

#04151B #0A3948 #12637E #1A8DB4 #2AB3E1

Accessibility & contrast

On white

6.75

#12637E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#12637E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12637E

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12637E	#FFFFFF	#000000	##FFFFFF
##12637E	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54617F

Deuteranopia (green-blind)

#46577E

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #12637e;
/* rgb */ color: rgb(18, 99, 126);
/* oklch */ color: oklch(46.7% 0.084 226.5);

Tailwind

colors: {
  custom: {
    50: '#658fa3',
    500: '#12637e',
    950: '#000000',
  },
}

SCSS

$custom: #12637e;
$custom-light: #658fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#12637e",
  "rgb": {
    "r": 18,
    "g": 99,
    "b": 126
  },
  "hsl": {
    "h": 195,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.46715,
    "c": 0.08384,
    "h": 226.5
  },
  "luminance": 0.10559
}

Semantic roles & 50–950 ramp

primary

#12637E

secondary

#B45738

accent

#6536F2

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #12637E

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

Preview Lab → · Contrast checker → · Palette generator →