#1B87A0#1B87A0

#1B87A0 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.097 H 218.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B87A0
RGB	rgb(27, 135, 160)
HSL	hsl(191, 71%, 37%)
HSV	hsv(191, 83%, 63%)
CMYK	cmyk(83.1%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(51.95, -19.95, -21.55)
CIE-LCH	lch(51.95, 29.36, 227.21°)
OKLab	oklab(57.77% -0.0766 -0.0603)
OKLCH	oklch(57.77% 0.097 218.2)
XYZ	xyz(15.4584, 20.0971, 36.3153)
Luminance	0.2010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B87A0 #A0341B

analogous

#1BA077 #1B87A0 #1B45A0

triadic

#1B87A0 #A01B87 #87A01B

tetradic

#1B87A0 #771BA0 #A0341B #45A01B

square

#1B87A0 #771BA0 #A0341B #45A01B

split-complementary

#1B87A0 #A01B45 #A0771B

monochromatic

#092F37 #125B6C #1B87A0 #24B3D4 #53C7E2

Accessibility & contrast

On white

4.18

#1B87A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#1B87A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B87A0

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B87A0	#FFFFFF	#000000	##000000
##1B87A0	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A1

Deuteranopia (green-blind)

#6676A0

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1b87a0;
/* rgb */ color: rgb(27, 135, 160);
/* oklch */ color: oklch(57.8% 0.097 218.2);

Tailwind

colors: {
  custom: {
    50: '#71aabc',
    500: '#1b87a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b87a0;
$custom-light: #71aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b87a0",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 191.278,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.5777,
    "c": 0.09749,
    "h": 218.2
  },
  "luminance": 0.20099
}

Semantic roles & 50–950 ramp

primary

#1B87A0

secondary

#C56752

accent

#5C3AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B87A0

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

Preview Lab → · Contrast checker → · Palette generator →