#12637C#12637C

#12637C is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.082 H 224.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#12637C
RGB	rgb(18, 99, 124)
HSL	hsl(194, 75%, 28%)
HSV	hsv(194, 85%, 49%)
CMYK	cmyk(85.5%, 20.2%, 0%, 51.4%)
CIE-LAB	lab(38.74, -13.68, -20.54)
CIE-LCH	lch(38.74, 24.68, 236.34°)
OKLab	oklab(46.62% -0.0586 -0.0577)
OKLCH	oklch(46.62% 0.082 224.6)
XYZ	xyz(8.3479, 10.5065, 20.6528)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12637C #7C2B12

analogous

#127C60 #12637C #122E7C

triadic

#12637C #7C1263 #637C12

tetradic

#12637C #60127C #7C2B12 #2E7C12

square

#12637C #60127C #7C2B12 #2E7C12

split-complementary

#12637C #7C122E #7C6012

monochromatic

#04151B #0A3847 #12637C #1A8EB1 #29B5E0

Accessibility & contrast

On white

6.77

#12637C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#12637C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12637C

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12637C	#FFFFFF	#000000	##FFFFFF
##12637C	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617D

Deuteranopia (green-blind)

#47577C

Tritanopia (blue-blind)

#006A6B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #12637c;
/* rgb */ color: rgb(18, 99, 124);
/* oklch */ color: oklch(46.6% 0.082 224.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12637c",
  "rgb": {
    "r": 18,
    "g": 99,
    "b": 124
  },
  "hsl": {
    "h": 194.151,
    "s": 74.648,
    "l": 27.843
  },
  "oklch": {
    "l": 0.46615,
    "c": 0.08219,
    "h": 224.6
  },
  "luminance": 0.10508
}

Semantic roles & 50–950 ramp

primary

#12637C

secondary

#B25538

accent

#6337F1

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #12637C

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

Preview Lab → · Contrast checker → · Palette generator →