#1787A0#1787A0

#1787A0 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.7% C 0.099 H 217.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#1787A0
RGB	rgb(23, 135, 160)
HSL	hsl(191, 75%, 36%)
HSV	hsv(191, 86%, 63%)
CMYK	cmyk(85.6%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(51.89, -20.28, -21.64)
CIE-LCH	lch(51.89, 29.66, 226.86°)
OKLab	oklab(57.71% -0.0778 -0.0606)
OKLCH	oklch(57.71% 0.099 217.9)
XYZ	xyz(15.3598, 20.0462, 36.3106)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1787A0 #A03017

analogous

#17A074 #1787A0 #1742A0

triadic

#1787A0 #A01787 #87A017

tetradic

#1787A0 #7417A0 #A03017 #42A017

square

#1787A0 #7417A0 #A03017 #42A017

split-complementary

#1787A0 #A01742 #A07417

monochromatic

#082D35 #0F5A6A #1787A0 #1FB4D6 #4CC9E5

Accessibility & contrast

On white

4.19

#1787A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#1787A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1787A0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1787A0	#FFFFFF	#000000	##000000
##1787A0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	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: #1787a0;
/* rgb */ color: rgb(23, 135, 160);
/* oklch */ color: oklch(57.7% 0.099 217.9);

Tailwind

colors: {
  custom: {
    50: '#70aabc',
    500: '#1787a0',
    950: '#000000',
  },
}

SCSS

$custom: #1787a0;
$custom-light: #70aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#1787a0",
  "rgb": {
    "r": 23,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 190.949,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57707,
    "c": 0.0986,
    "h": 217.9
  },
  "luminance": 0.20048
}

Semantic roles & 50–950 ramp

primary

#1787A0

secondary

#C7624C

accent

#5836F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1787A0

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

Preview Lab → · Contrast checker → · Palette generator →