#4183D3#4183D3

#4183D3 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.5% C 0.140 H 254.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4183D3
RGB	rgb(65, 131, 211)
HSL	hsl(213, 62%, 54%)
HSV	hsv(213, 69%, 83%)
CMYK	cmyk(69.2%, 37.9%, 0%, 17.3%)
CIE-LAB	lab(54.09, 5.12, -47.31)
CIE-LCH	lch(54.09, 47.59, 276.18°)
OKLab	oklab(60.52% -0.0369 -0.1347)
OKLCH	oklch(60.52% 0.14 254.7)
XYZ	xyz(22.0498, 22.0572, 64.7108)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D3 #D39141

analogous

#41CCD3 #4183D3 #4841D3

triadic

#4183D3 #D34183 #83D341

tetradic

#4183D3 #D341CC #D39141 #41D348

square

#4183D3 #D341CC #D39141 #41D348

split-complementary

#4183D3 #D34841 #CCD341

monochromatic

#1D487D #2865AE #4183D3 #73A3DF #A4C4EA

Accessibility & contrast

On white

3.88

#4183D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#4183D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D3	#FFFFFF	#000000	##000000
##4183D3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D6

Deuteranopia (green-blind)

#497BD1

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4183d3;
/* rgb */ color: rgb(65, 131, 211);
/* oklch */ color: oklch(60.5% 0.140 254.7);

Tailwind

colors: {
  custom: {
    50: '#86a6e1',
    500: '#4183d3',
    950: '#000000',
  },
}

SCSS

$custom: #4183d3;
$custom-light: #86a6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d3",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 211
  },
  "hsl": {
    "h": 212.877,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60518,
    "c": 0.13964,
    "h": 254.7
  },
  "luminance": 0.2206
}

Semantic roles & 50–950 ramp

primary

#4183D3

secondary

#D7BB99

accent

#9C42E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4183D3

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

Preview Lab → · Contrast checker → · Palette generator →