#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
RGB	rgb(24, 122, 161)
HSL	hsl(197, 74%, 36%)
HSV	hsv(197, 85%, 63%)
CMYK	cmyk(85.1%, 24.2%, 0%, 36.9%)
CIE-LAB	lab(47.86, -12.68, -28.46)
CIE-LCH	lch(47.86, 31.15, 245.99°)
OKLab	oklab(54.49% -0.0647 -0.0802)
OKLCH	oklch(54.49% 0.103 231.1)
XYZ	xyz(13.7666, 16.6847, 36.2062)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	cyan

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
##187AA1	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

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 →