#1785B4#1785B4

#1785B4 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.2% C 0.115 H 233.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#1785B4
RGB	rgb(23, 133, 180)
HSL	hsl(198, 77%, 40%)
HSV	hsv(198, 87%, 71%)
CMYK	cmyk(87.2%, 26.1%, 0%, 29.4%)
CIE-LAB	lab(52.12, -12.04, -32.83)
CIE-LCH	lch(52.12, 34.96, 249.86°)
OKLab	oklab(58.17% -0.0683 -0.0928)
OKLCH	oklch(58.17% 0.115 233.6)
XYZ	xyz(16.9757, 20.2503, 46.1851)
Luminance	0.2025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1785B4 #B44617

analogous

#17B495 #1785B4 #1736B4

triadic

#1785B4 #B41785 #85B417

tetradic

#1785B4 #9517B4 #B44617 #36B417

square

#1785B4 #9517B4 #B44617 #36B417

split-complementary

#1785B4 #B41736 #B49517

monochromatic

#093547 #105D7E #1785B4 #25AAE3 #5BBFEA

Accessibility & contrast

On white

4.16

#1785B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#1785B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1785B4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1785B4	#FFFFFF	#000000	##000000
##1785B4	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B6

Deuteranopia (green-blind)

#5976B3

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1785b4;
/* rgb */ color: rgb(23, 133, 180);
/* oklch */ color: oklch(58.2% 0.115 233.6);

Tailwind

colors: {
  custom: {
    50: '#73a8ca',
    500: '#1785b4',
    950: '#000000',
  },
}

SCSS

$custom: #1785b4;
$custom-light: #73a8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1785b4",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 180
  },
  "hsl": {
    "h": 197.962,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.58172,
    "c": 0.11521,
    "h": 233.6
  },
  "luminance": 0.20253
}

Semantic roles & 50–950 ramp

primary

#1785B4

secondary

#CE7C59

accent

#6D34F4

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1785B4

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

Preview Lab → · Contrast checker → · Palette generator →