#187CA1#187CA1

#187CA1 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.102 H 229.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#187CA1
RGB	rgb(24, 124, 161)
HSL	hsl(196, 74%, 36%)
HSV	hsv(196, 85%, 63%)
CMYK	cmyk(85.1%, 23%, 0%, 36.9%)
CIE-LAB	lab(48.49, -13.81, -27.48)
CIE-LCH	lch(48.49, 30.76, 243.32°)
OKLab	oklab(54.99% -0.0666 -0.0774)
OKLCH	oklch(54.99% 0.102 229.3)
XYZ	xyz(14.0147, 17.1809, 36.2889)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187CA1 #A13D18

analogous

#18A182 #187CA1 #1838A1

triadic

#187CA1 #A1187C #7CA118

tetradic

#187CA1 #8218A1 #A13D18 #38A118

square

#187CA1 #8218A1 #A13D18 #38A118

split-complementary

#187CA1 #A11838 #A18218

monochromatic

#082A36 #10536C #187CA1 #20A5D6 #4FBCE5

Accessibility & contrast

On white

4.73

#187CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#187CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187CA1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187CA1	#FFFFFF	#000000	##FFFFFF
##187CA1	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA3

Deuteranopia (green-blind)

#576EA0

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #187ca1;
/* rgb */ color: rgb(24, 124, 161);
/* oklch */ color: oklch(55.0% 0.102 229.3);

Tailwind

colors: {
  custom: {
    50: '#6fa2bd',
    500: '#187ca1',
    950: '#000000',
  },
}

SCSS

$custom: #187ca1;
$custom-light: #6fa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#187ca1",
  "rgb": {
    "r": 24,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 196.204,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.54993,
    "c": 0.10209,
    "h": 229.3
  },
  "luminance": 0.17183
}

Semantic roles & 50–950 ramp

primary

#187CA1

secondary

#C76F4E

accent

#6937F1

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #187CA1

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

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