#4180CF#4180CF

#4180CF is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.138 H 255.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4180CF
RGB	rgb(65, 128, 207)
HSL	hsl(213, 60%, 53%)
HSV	hsv(213, 69%, 81%)
CMYK	cmyk(68.6%, 38.2%, 0%, 18.8%)
CIE-LAB	lab(53.02, 5.52, -46.74)
CIE-LCH	lch(53.02, 47.07, 276.74°)
OKLab	oklab(59.62% -0.0349 -0.1331)
OKLCH	oklch(59.62% 0.138 255.3)
XYZ	xyz(21.1575, 21.0649, 61.9703)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180CF #CF9041

analogous

#41C7CF #4180CF #4941CF

triadic

#4180CF #CF4180 #80CF41

tetradic

#4180CF #CF41C7 #CF9041 #41CF49

square

#4180CF #CF41C7 #CF9041 #41CF49

split-complementary

#4180CF #CF4941 #C7CF41

monochromatic

#1E4677 #2B62A8 #4180CF #72A1DB #A3C1E8

Accessibility & contrast

On white

4.03

#4180CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4180CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180CF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180CF	#FFFFFF	#000000	##000000
##4180CF	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C86D2

Deuteranopia (green-blind)

#4779CD

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4180cf;
/* rgb */ color: rgb(65, 128, 207);
/* oklch */ color: oklch(59.6% 0.138 255.3);

Tailwind

colors: {
  custom: {
    50: '#85a4de',
    500: '#4180cf',
    950: '#000000',
  },
}

SCSS

$custom: #4180cf;
$custom-light: #85a4de;
$custom-dark: #000000;

JSON

{
  "hex": "#4180cf",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 207
  },
  "hsl": {
    "h": 213.38,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59617,
    "c": 0.13757,
    "h": 255.3
  },
  "luminance": 0.21067
}

Semantic roles & 50–950 ramp

primary

#4180CF

secondary

#D4B997

accent

#9D45E3

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4180CF

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

Preview Lab → · Contrast checker → · Palette generator →