#187AA1#187AA1

#187AA1 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.103 H 231.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#187AA1
RGBrgb(24, 122, 161)
HSLhsl(197, 74%, 36%)
HSVhsv(197, 85%, 63%)
CMYKcmyk(85.1%, 24.2%, 0%, 36.9%)
CIE-LABlab(47.86, -12.68, -28.46)
CIE-LCHlch(47.86, 31.15, 245.99°)
OKLaboklab(54.49% -0.0647 -0.0802)
OKLCHoklch(54.49% 0.103 231.1)
XYZxyz(13.7666, 16.6847, 36.2062)
Luminance0.1669 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#187AA1 #A13F18
analogous
#18A184 #187AA1 #1836A1
triadic
#187AA1 #A1187A #7AA118
tetradic
#187AA1 #8418A1 #A13F18 #36A118
square
#187AA1 #8418A1 #A13F18 #36A118
split-complementary
#187AA1 #A11836 #A18418
monochromatic
#082936 #10526C #187AA1 #20A2D6 #4FBAE5

Accessibility & contrast

On white

4.84
#187AA1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.34
#187AA1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187AA1
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##187AA1#FFFFFF#000000##FFFFFF
##187AA11.004.844.344.84
#FFFFFF4.841.0021.001.00
#0000004.3421.001.0021.00
##FFFFFF4.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6678A3
Deuteranopia (green-blind)
#546CA0
Tritanopia (blue-blind)
#008587
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #187aa1;
/* rgb */ color: rgb(24, 122, 161);
/* oklch */ color: oklch(54.5% 0.103 231.1);
Tailwind
colors: {
  custom: {
    50: '#6fa0bd',
    500: '#187aa1',
    950: '#000000',
  },
}
SCSS
$custom: #187aa1;
$custom-light: #6fa0bd;
$custom-dark: #000000;
JSON
{
  "hex": "#187aa1",
  "rgb": {
    "r": 24,
    "g": 122,
    "b": 161
  },
  "hsl": {
    "h": 197.08,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.54492,
    "c": 0.10306,
    "h": 231.1
  },
  "luminance": 0.16686
}

Semantic roles & 50–950 ramp

primary
#187AA1
secondary
#C7704E
accent
#6C37F1
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E12
muted
#7B7E81

Preview Lab

Preview with #187AA1

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

Preview Lab → · Contrast checker → · Palette generator →

#187AA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva