#1B87AA#1B87AA

#1B87AA is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.2% C 0.104 H 225.9°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B87AA
RGB	rgb(27, 135, 170)
HSL	hsl(195, 73%, 39%)
HSV	hsv(195, 84%, 67%)
CMYK	cmyk(84.1%, 20.6%, 0%, 33.3%)
CIE-LAB	lab(52.35, -16.45, -26.70)
CIE-LCH	lch(52.35, 31.36, 238.36°)
OKLab	oklab(58.23% -0.0727 -0.075)
OKLCH	oklch(58.23% 0.104 225.9)
XYZ	xyz(16.3686, 20.4612, 41.1091)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B87AA #AA3E1B

analogous

#1BAA85 #1B87AA #1B3FAA

triadic

#1B87AA #AA1B87 #87AA1B

tetradic

#1B87AA #851BAA #AA3E1B #3FAA1B

square

#1B87AA #851BAA #AA3E1B #3FAA1B

split-complementary

#1B87AA #AA1B3F #AA851B

monochromatic

#0A3340 #135D75 #1B87AA #26B0DC #5BC3E5

Accessibility & contrast

On white

4.12

#1B87AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#1B87AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B87AA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B87AA	#FFFFFF	#000000	##000000
##1B87AA	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7484AC

Deuteranopia (green-blind)

#6277AA

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1b87aa;
/* rgb */ color: rgb(27, 135, 170);
/* oklch */ color: oklch(58.2% 0.104 225.9);

Tailwind

colors: {
  custom: {
    50: '#72aac3',
    500: '#1b87aa',
    950: '#000000',
  },
}

SCSS

$custom: #1b87aa;
$custom-light: #72aac3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b87aa",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 170
  },
  "hsl": {
    "h": 194.685,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.58232,
    "c": 0.10445,
    "h": 225.9
  },
  "luminance": 0.20463
}

Semantic roles & 50–950 ramp

primary

#1B87AA

secondary

#C97458

accent

#6539EF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B87AA

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

Preview Lab → · Contrast checker → · Palette generator →