#4180C4#4180C4

#4180C4 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.123 H 252.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4180C4
RGB	rgb(65, 128, 196)
HSL	hsl(211, 53%, 51%)
HSV	hsv(211, 67%, 77%)
CMYK	cmyk(66.8%, 34.7%, 0%, 23.1%)
CIE-LAB	lab(52.45, 1.66, -41.39)
CIE-LCH	lch(52.45, 41.43, 272.29°)
OKLab	oklab(58.98% -0.0377 -0.1174)
OKLCH	oklch(58.98% 0.123 252.2)
XYZ	xyz(19.8593, 20.5457, 55.1330)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180C4 #C48541

analogous

#41C1C4 #4180C4 #4341C4

triadic

#4180C4 #C44180 #80C441

tetradic

#4180C4 #C441C1 #C48541 #41C443

square

#4180C4 #C441C1 #C48541 #41C443

split-complementary

#4180C4 #C44341 #C1C441

monochromatic

#21446A #2F6298 #4180C4 #709FD3 #9EBEE1

Accessibility & contrast

On white

4.11

#4180C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4180C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180C4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180C4	#FFFFFF	#000000	##000000
##4180C4	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)

#6284C7

Deuteranopia (green-blind)

#5078C3

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4180c4;
/* rgb */ color: rgb(65, 128, 196);
/* oklch */ color: oklch(59.0% 0.123 252.2);

Tailwind

colors: {
  custom: {
    50: '#83a4d6',
    500: '#4180c4',
    950: '#000000',
  },
}

SCSS

$custom: #4180c4;
$custom-light: #83a4d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4180c4",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 196
  },
  "hsl": {
    "h": 211.145,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58983,
    "c": 0.12332,
    "h": 252.2
  },
  "luminance": 0.20548
}

Semantic roles & 50–950 ramp

primary

#4180C4

secondary

#CDB293

accent

#974CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4180C4

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

Preview Lab → · Contrast checker → · Palette generator →