#4181C4#4181C4

#4181C4 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.122 H 251.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#4181C4
RGB	rgb(65, 129, 196)
HSL	hsl(211, 53%, 51%)
HSV	hsv(211, 67%, 77%)
CMYK	cmyk(66.8%, 34.2%, 0%, 23.1%)
CIE-LAB	lab(52.74, 1.06, -40.94)
CIE-LCH	lch(52.74, 40.95, 271.48°)
OKLab	oklab(59.21% -0.0387 -0.1161)
OKLCH	oklch(59.21% 0.122 251.5)
XYZ	xyz(19.9904, 20.8078, 55.1766)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181C4 #C48441

analogous

#41C2C4 #4181C4 #4241C4

triadic

#4181C4 #C44181 #81C441

tetradic

#4181C4 #C441C2 #C48441 #41C442

square

#4181C4 #C441C2 #C48441 #41C442

split-complementary

#4181C4 #C44241 #C2C441

monochromatic

#21446A #2F6398 #4181C4 #70A0D3 #9EBFE1

Accessibility & contrast

On white

4.07

#4181C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#4181C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181C4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181C4	#FFFFFF	#000000	##000000
##4181C4	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6385C7

Deuteranopia (green-blind)

#5178C3

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4181c4;
/* rgb */ color: rgb(65, 129, 196);
/* oklch */ color: oklch(59.2% 0.122 251.5);

Tailwind

colors: {
  custom: {
    50: '#83a5d6',
    500: '#4181c4',
    950: '#000000',
  },
}

SCSS

$custom: #4181c4;
$custom-light: #83a5d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4181c4",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 196
  },
  "hsl": {
    "h": 210.687,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59211,
    "c": 0.12235,
    "h": 251.5
  },
  "luminance": 0.2081
}

Semantic roles & 50–950 ramp

primary

#4181C4

secondary

#CDB193

accent

#964CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4181C4

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

Preview Lab → · Contrast checker → · Palette generator →