#187AA0#187AA0

#187AA0 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.4% C 0.102 H 230.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#187AA0
RGB	rgb(24, 122, 160)
HSL	hsl(197, 74%, 36%)
HSV	hsv(197, 85%, 63%)
CMYK	cmyk(85%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(47.82, -13.04, -27.94)
CIE-LCH	lch(47.82, 30.84, 244.98°)
OKLab	oklab(54.44% -0.065 -0.0787)
OKLCH	oklch(54.44% 0.102 230.4)
XYZ	xyz(13.6788, 16.6496, 35.7436)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187AA0 #A03E18

analogous

#18A082 #187AA0 #1836A0

triadic

#187AA0 #A0187A #7AA018

tetradic

#187AA0 #8218A0 #A03E18 #36A018

square

#187AA0 #8218A0 #A03E18 #36A018

split-complementary

#187AA0 #A01836 #A08218

monochromatic

#082936 #10516B #187AA0 #20A3D5 #4EBAE4

Accessibility & contrast

On white

4.85

#187AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#187AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187AA0

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187AA0	#FFFFFF	#000000	##FFFFFF
##187AA0	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A2

Deuteranopia (green-blind)

#556C9F

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #187aa0;
/* rgb */ color: rgb(24, 122, 160);
/* oklch */ color: oklch(54.4% 0.102 230.4);

Tailwind

colors: {
  custom: {
    50: '#6fa0bc',
    500: '#187aa0',
    950: '#000000',
  },
}

SCSS

$custom: #187aa0;
$custom-light: #6fa0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#187aa0",
  "rgb": {
    "r": 24,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 196.765,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54441,
    "c": 0.10214,
    "h": 230.4
  },
  "luminance": 0.16651
}

Semantic roles & 50–950 ramp

primary

#187AA0

secondary

#C66F4D

accent

#6B37F1

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #187AA0

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

Preview Lab → · Contrast checker → · Palette generator →