#1C87A8#1C87A8

#1C87A8 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.2% C 0.103 H 224.6°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C87A8
RGB	rgb(28, 135, 168)
HSL	hsl(194, 71%, 38%)
HSV	hsv(194, 83%, 66%)
CMYK	cmyk(83.3%, 19.6%, 0%, 34.1%)
CIE-LAB	lab(52.29, -17.07, -25.65)
CIE-LCH	lch(52.29, 30.81, 236.35°)
OKLab	oklab(58.15% -0.0731 -0.072)
OKLCH	oklch(58.15% 0.103 224.6)
XYZ	xyz(16.2078, 20.3999, 40.1215)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C87A8 #A83D1C

analogous

#1CA883 #1C87A8 #1C41A8

triadic

#1C87A8 #A81C87 #87A81C

tetradic

#1C87A8 #831CA8 #A83D1C #41A81C

square

#1C87A8 #831CA8 #A83D1C #41A81C

split-complementary

#1C87A8 #A81C41 #A8831C

monochromatic

#0B333F #135D74 #1C87A8 #26B0DB #5BC3E4

Accessibility & contrast

On white

4.13

#1C87A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#1C87A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C87A8

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C87A8	#FFFFFF	#000000	##000000
##1C87A8	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7584AA

Deuteranopia (green-blind)

#6377A8

Tritanopia (blue-blind)

#009192

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1c87a8;
/* rgb */ color: rgb(28, 135, 168);
/* oklch */ color: oklch(58.2% 0.103 224.6);

Tailwind

colors: {
  custom: {
    50: '#72aac2',
    500: '#1c87a8',
    950: '#000000',
  },
}

SCSS

$custom: #1c87a8;
$custom-light: #72aac2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c87a8",
  "rgb": {
    "r": 28,
    "g": 135,
    "b": 168
  },
  "hsl": {
    "h": 194.143,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58154,
    "c": 0.10263,
    "h": 224.6
  },
  "luminance": 0.20402
}

Semantic roles & 50–950 ramp

primary

#1C87A8

secondary

#C77358

accent

#643AEE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1C87A8

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

Preview Lab → · Contrast checker → · Palette generator →