#1C87A0#1C87A0

#1C87A0 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.097 H 218.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C87A0
RGB	rgb(28, 135, 160)
HSL	hsl(191, 70%, 37%)
HSV	hsv(191, 83%, 63%)
CMYK	cmyk(82.5%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(51.96, -19.86, -21.52)
CIE-LCH	lch(51.96, 29.28, 227.31°)
OKLab	oklab(57.79% -0.0763 -0.0602)
OKLCH	oklch(57.79% 0.097 218.3)
XYZ	xyz(15.4853, 20.1109, 36.3165)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C87A0 #A0351C

analogous

#1CA077 #1C87A0 #1C45A0

triadic

#1C87A0 #A01C87 #87A01C

tetradic

#1C87A0 #771CA0 #A0351C #45A01C

square

#1C87A0 #771CA0 #A0351C #45A01C

split-complementary

#1C87A0 #A01C45 #A0771C

monochromatic

#0A2F38 #135B6C #1C87A0 #25B3D4 #55C7E1

Accessibility & contrast

On white

4.18

#1C87A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#1C87A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C87A0

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C87A0	#FFFFFF	#000000	##000000
##1C87A0	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)

#6677A0

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1c87a0;
/* rgb */ color: rgb(28, 135, 160);
/* oklch */ color: oklch(57.8% 0.097 218.3);

Tailwind

colors: {
  custom: {
    50: '#71aabc',
    500: '#1c87a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c87a0;
$custom-light: #71aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c87a0",
  "rgb": {
    "r": 28,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 191.364,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.57787,
    "c": 0.09719,
    "h": 218.3
  },
  "luminance": 0.20113
}

Semantic roles & 50–950 ramp

primary

#1C87A0

secondary

#C46953

accent

#5D3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1C87A0

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

Preview Lab → · Contrast checker → · Palette generator →