#4083D3#4083D3

#4083D3 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.5% C 0.140 H 254.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4083D3
RGB	rgb(64, 131, 211)
HSL	hsl(213, 63%, 54%)
HSV	hsv(213, 70%, 83%)
CMYK	cmyk(69.7%, 37.9%, 0%, 17.3%)
CIE-LAB	lab(54.05, 4.97, -47.37)
CIE-LCH	lch(54.05, 47.63, 275.99°)
OKLab	oklab(60.48% -0.0376 -0.1349)
OKLCH	oklch(60.48% 0.14 254.4)
XYZ	xyz(21.9842, 22.0234, 64.7077)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083D3 #D39040

analogous

#40CDD3 #4083D3 #4740D3

triadic

#4083D3 #D34083 #83D340

tetradic

#4083D3 #D340CD #D39040 #40D347

square

#4083D3 #D340CD #D39040 #40D347

split-complementary

#4083D3 #D34740 #CDD340

monochromatic

#1D487C #2865AE #4083D3 #72A3DE #A3C4EA

Accessibility & contrast

On white

3.89

#4083D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#4083D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083D3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083D3	#FFFFFF	#000000	##000000
##4083D3	1.00	3.89	5.41	5.41
#FFFFFF	3.89	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)

#487BD1

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4083d3;
/* rgb */ color: rgb(64, 131, 211);
/* oklch */ color: oklch(60.5% 0.140 254.4);

Tailwind

colors: {
  custom: {
    50: '#85a6e1',
    500: '#4083d3',
    950: '#000000',
  },
}

SCSS

$custom: #4083d3;
$custom-light: #85a6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4083d3",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 211
  },
  "hsl": {
    "h": 212.653,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6048,
    "c": 0.14001,
    "h": 254.4
  },
  "luminance": 0.22026
}

Semantic roles & 50–950 ramp

primary

#4083D3

secondary

#D7BA98

accent

#9B42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4083D3

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

Preview Lab → · Contrast checker → · Palette generator →