#4180C5#4180C5

#4180C5 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.0% C 0.125 H 252.5°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4180C5
RGB	rgb(65, 128, 197)
HSL	hsl(211, 53%, 51%)
HSV	hsv(211, 67%, 77%)
CMYK	cmyk(67%, 35%, 0%, 22.7%)
CIE-LAB	lab(52.50, 2.01, -41.88)
CIE-LCH	lch(52.50, 41.93, 272.75°)
OKLab	oklab(59.04% -0.0375 -0.1188)
OKLCH	oklch(59.04% 0.125 252.5)
XYZ	xyz(19.9735, 20.5913, 55.7344)
Luminance	0.2059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180C5 #C58641

analogous

#41C2C5 #4180C5 #4441C5

triadic

#4180C5 #C54180 #80C541

tetradic

#4180C5 #C541C2 #C58641 #41C544

square

#4180C5 #C541C2 #C58641 #41C544

split-complementary

#4180C5 #C54441 #C2C541

monochromatic

#21446B #2F629A #4180C5 #709FD3 #9FBFE2

Accessibility & contrast

On white

4.10

#4180C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#4180C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180C5

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180C5	#FFFFFF	#000000	##000000
##4180C5	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6284C8

Deuteranopia (green-blind)

#4F78C4

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4180c5;
/* rgb */ color: rgb(65, 128, 197);
/* oklch */ color: oklch(59.0% 0.125 252.5);

Tailwind

colors: {
  custom: {
    50: '#83a4d7',
    500: '#4180c5',
    950: '#000000',
  },
}

SCSS

$custom: #4180c5;
$custom-light: #83a4d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4180c5",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 197
  },
  "hsl": {
    "h": 211.364,
    "s": 53.226,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5904,
    "c": 0.1246,
    "h": 252.5
  },
  "luminance": 0.20593
}

Semantic roles & 50–950 ramp

primary

#4180C5

secondary

#CEB294

accent

#974BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4180C5

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

Preview Lab → · Contrast checker → · Palette generator →