#4183D5#4183D5

#4183D5 is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.6% C 0.142 H 255.2°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4183D5
RGB	rgb(65, 131, 213)
HSL	hsl(213, 64%, 55%)
HSV	hsv(213, 69%, 84%)
CMYK	cmyk(69.5%, 38.5%, 0%, 16.5%)
CIE-LAB	lab(54.19, 5.83, -48.27)
CIE-LCH	lch(54.19, 48.62, 276.89°)
OKLab	oklab(60.64% -0.0364 -0.1375)
OKLCH	oklch(60.64% 0.142 255.2)
XYZ	xyz(22.3021, 22.1581, 66.0395)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D5 #D59341

analogous

#41CDD5 #4183D5 #4941D5

triadic

#4183D5 #D54183 #83D541

tetradic

#4183D5 #D541CD #D59341 #41D549

square

#4183D5 #D541CD #D59341 #41D549

split-complementary

#4183D5 #D54941 #CDD541

monochromatic

#1C487F #2765B2 #4183D5 #73A4E0 #A5C4EB

Accessibility & contrast

On white

3.87

#4183D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#4183D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D5

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D5	#FFFFFF	#000000	##000000
##4183D5	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D89D8

Deuteranopia (green-blind)

#477BD3

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4183d5;
/* rgb */ color: rgb(65, 131, 213);
/* oklch */ color: oklch(60.6% 0.142 255.2);

Tailwind

colors: {
  custom: {
    50: '#86a6e2',
    500: '#4183d5',
    950: '#000000',
  },
}

SCSS

$custom: #4183d5;
$custom-light: #86a6e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d5",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 213
  },
  "hsl": {
    "h": 213.243,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60636,
    "c": 0.14223,
    "h": 255.2
  },
  "luminance": 0.22161
}

Semantic roles & 50–950 ramp

primary

#4183D5

secondary

#D8BC9A

accent

#9D41E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4183D5

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

Preview Lab → · Contrast checker → · Palette generator →