#4183D6#4183D6

#4183D6 is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.7% C 0.144 H 255.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4183D6
RGB	rgb(65, 131, 214)
HSL	hsl(213, 65%, 55%)
HSV	hsv(213, 70%, 84%)
CMYK	cmyk(69.6%, 38.8%, 0%, 16.1%)
CIE-LAB	lab(54.25, 6.19, -48.75)
CIE-LCH	lch(54.25, 49.14, 277.23°)
OKLab	oklab(60.7% -0.0362 -0.1389)
OKLCH	oklch(60.7% 0.144 255.4)
XYZ	xyz(22.4294, 22.2091, 66.7100)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D6 #D69441

analogous

#41CDD6 #4183D6 #4A41D6

triadic

#4183D6 #D64183 #83D641

tetradic

#4183D6 #D641CD #D69441 #41D64A

square

#4183D6 #D641CD #D69441 #41D64A

split-complementary

#4183D6 #D64A41 #CDD641

monochromatic

#1C4981 #2765B3 #4183D6 #73A4E1 #A6C5EC

Accessibility & contrast

On white

3.86

#4183D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#4183D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D6

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D6	#FFFFFF	#000000	##000000
##4183D6	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D89D9

Deuteranopia (green-blind)

#467BD4

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4183d6;
/* rgb */ color: rgb(65, 131, 214);
/* oklch */ color: oklch(60.7% 0.144 255.4);

Tailwind

colors: {
  custom: {
    50: '#86a6e3',
    500: '#4183d6',
    950: '#000000',
  },
}

SCSS

$custom: #4183d6;
$custom-light: #86a6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d6",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 214
  },
  "hsl": {
    "h": 213.423,
    "s": 64.502,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60695,
    "c": 0.14352,
    "h": 255.4
  },
  "luminance": 0.22211
}

Semantic roles & 50–950 ramp

primary

#4183D6

secondary

#D9BD9A

accent

#9D40E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4183D6

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

Preview Lab → · Contrast checker → · Palette generator →