#187FA0#187FA0

#187FA0 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.100 H 225.8°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#187FA0
RGB	rgb(24, 127, 160)
HSL	hsl(195, 74%, 36%)
HSV	hsv(195, 85%, 63%)
CMYK	cmyk(85%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(49.39, -15.85, -25.50)
CIE-LCH	lch(49.39, 30.03, 238.14°)
OKLab	oklab(55.7% -0.0698 -0.0717)
OKLCH	oklch(55.7% 0.1 225.8)
XYZ	xyz(14.3086, 17.9092, 35.9536)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187FA0 #A03918

analogous

#18A07D #187FA0 #183BA0

triadic

#187FA0 #A0187F #7FA018

tetradic

#187FA0 #7D18A0 #A03918 #3BA018

square

#187FA0 #7D18A0 #A03918 #3BA018

split-complementary

#187FA0 #A0183B #A07D18

monochromatic

#082B36 #10556B #187FA0 #20A9D5 #4EC0E4

Accessibility & contrast

On white

4.58

#187FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#187FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #187FA0

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187FA0	#FFFFFF	#000000	##000000
##187FA0	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA2

Deuteranopia (green-blind)

#5C70A0

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #187fa0;
/* rgb */ color: rgb(24, 127, 160);
/* oklch */ color: oklch(55.7% 0.100 225.8);

Tailwind

colors: {
  custom: {
    50: '#6fa4bc',
    500: '#187fa0',
    950: '#000000',
  },
}

SCSS

$custom: #187fa0;
$custom-light: #6fa4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#187fa0",
  "rgb": {
    "r": 24,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 194.559,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55699,
    "c": 0.10006,
    "h": 225.8
  },
  "luminance": 0.17911
}

Semantic roles & 50–950 ramp

primary

#187FA0

secondary

#C66B4D

accent

#6437F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #187FA0

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

Preview Lab → · Contrast checker → · Palette generator →