#1787A1#1787A1

#1787A1 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.099 H 218.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1787A1
RGB	rgb(23, 135, 161)
HSL	hsl(191, 75%, 36%)
HSV	hsv(191, 86%, 63%)
CMYK	cmyk(85.7%, 16.1%, 0%, 36.9%)
CIE-LAB	lab(51.93, -19.93, -22.16)
CIE-LCH	lch(51.93, 29.81, 228.03°)
OKLab	oklab(57.75% -0.0774 -0.0621)
OKLCH	oklch(57.75% 0.099 218.7)
XYZ	xyz(15.4476, 20.0813, 36.7732)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1787A1 #A13117

analogous

#17A176 #1787A1 #1742A1

triadic

#1787A1 #A11787 #87A117

tetradic

#1787A1 #7617A1 #A13117 #42A117

square

#1787A1 #7617A1 #A13117 #42A117

split-complementary

#1787A1 #A11742 #A17617

monochromatic

#082D36 #0F5A6B #1787A1 #1FB4D7 #4DC9E6

Accessibility & contrast

On white

4.19

#1787A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#1787A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1787A1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1787A1	#FFFFFF	#000000	##000000
##1787A1	1.00	4.19	5.02	5.02
#FFFFFF	4.19	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)

#7783A2

Deuteranopia (green-blind)

#6576A1

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1787a1;
/* rgb */ color: rgb(23, 135, 161);
/* oklch */ color: oklch(57.8% 0.099 218.7);

Tailwind

colors: {
  custom: {
    50: '#70aabd',
    500: '#1787a1',
    950: '#000000',
  },
}

SCSS

$custom: #1787a1;
$custom-light: #70aabd;
$custom-dark: #000000;

JSON

{
  "hex": "#1787a1",
  "rgb": {
    "r": 23,
    "g": 135,
    "b": 161
  },
  "hsl": {
    "h": 191.304,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.57752,
    "c": 0.09919,
    "h": 218.7
  },
  "luminance": 0.20083
}

Semantic roles & 50–950 ramp

primary

#1787A1

secondary

#C7644C

accent

#5936F2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1787A1

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

Preview Lab → · Contrast checker → · Palette generator →