#1786B4#1786B4

#1786B4 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.4% C 0.115 H 232.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#1786B4
RGB	rgb(23, 134, 180)
HSL	hsl(198, 77%, 40%)
HSV	hsv(198, 87%, 71%)
CMYK	cmyk(87.2%, 25.6%, 0%, 29.4%)
CIE-LAB	lab(52.43, -12.60, -32.35)
CIE-LCH	lch(52.43, 34.71, 248.71°)
OKLab	oklab(58.42% -0.0692 -0.0914)
OKLCH	oklch(58.42% 0.115 232.9)
XYZ	xyz(17.1133, 20.5254, 46.2310)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1786B4 #B44517

analogous

#17B494 #1786B4 #1737B4

triadic

#1786B4 #B41786 #86B417

tetradic

#1786B4 #9417B4 #B44517 #37B417

square

#1786B4 #9417B4 #B44517 #37B417

split-complementary

#1786B4 #B41737 #B49417

monochromatic

#093547 #105E7E #1786B4 #25ABE3 #5BC0EA

Accessibility & contrast

On white

4.11

#1786B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#1786B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1786B4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1786B4	#FFFFFF	#000000	##000000
##1786B4	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F85B6

Deuteranopia (green-blind)

#5B77B3

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1786b4;
/* rgb */ color: rgb(23, 134, 180);
/* oklch */ color: oklch(58.4% 0.115 232.9);

Tailwind

colors: {
  custom: {
    50: '#73a9ca',
    500: '#1786b4',
    950: '#000000',
  },
}

SCSS

$custom: #1786b4;
$custom-light: #73a9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1786b4",
  "rgb": {
    "r": 23,
    "g": 134,
    "b": 180
  },
  "hsl": {
    "h": 197.58,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.58417,
    "c": 0.11462,
    "h": 232.9
  },
  "luminance": 0.20528
}

Semantic roles & 50–950 ramp

primary

#1786B4

secondary

#CE7B59

accent

#6C34F4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1786B4

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

Preview Lab → · Contrast checker → · Palette generator →