#187FA1#187FA1

#187FA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.101 H 226.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#187FA1
RGB	rgb(24, 127, 161)
HSL	hsl(195, 74%, 36%)
HSV	hsv(195, 85%, 63%)
CMYK	cmyk(85.1%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(49.43, -15.49, -26.02)
CIE-LCH	lch(49.43, 30.28, 239.23°)
OKLab	oklab(55.75% -0.0694 -0.0732)
OKLCH	oklch(55.75% 0.101 226.5)
XYZ	xyz(14.3964, 17.9443, 36.4161)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187FA1 #A13A18

analogous

#18A17F #187FA1 #183AA1

triadic

#187FA1 #A1187F #7FA118

tetradic

#187FA1 #7F18A1 #A13A18 #3AA118

square

#187FA1 #7F18A1 #A13A18 #3AA118

split-complementary

#187FA1 #A1183A #A17F18

monochromatic

#082B36 #10556C #187FA1 #20A9D6 #4FBFE5

Accessibility & contrast

On white

4.58

#187FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#187FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #187FA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187FA1	#FFFFFF	#000000	##000000
##187FA1	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA3

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #187fa1;
/* rgb */ color: rgb(24, 127, 161);
/* oklch */ color: oklch(55.7% 0.101 226.5);

Tailwind

colors: {
  custom: {
    50: '#6fa4bd',
    500: '#187fa1',
    950: '#000000',
  },
}

SCSS

$custom: #187fa1;
$custom-light: #6fa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#187fa1",
  "rgb": {
    "r": 24,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 194.891,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.55747,
    "c": 0.10086,
    "h": 226.5
  },
  "luminance": 0.17946
}

Semantic roles & 50–950 ramp

primary

#187FA1

secondary

#C76C4E

accent

#6537F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #187FA1

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

Preview Lab → · Contrast checker → · Palette generator →