#4083CF#4083CF

#4083CF is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.135 H 253.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4083CF
RGB	rgb(64, 131, 207)
HSL	hsl(212, 60%, 53%)
HSV	hsv(212, 69%, 81%)
CMYK	cmyk(69.1%, 36.7%, 0%, 18.8%)
CIE-LAB	lab(53.84, 3.56, -45.44)
CIE-LCH	lch(53.84, 45.58, 274.48°)
OKLab	oklab(60.25% -0.0385 -0.1292)
OKLCH	oklch(60.25% 0.135 253.4)
XYZ	xyz(21.4890, 21.8253, 62.0996)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083CF #CF8C40

analogous

#40CBCF #4083CF #4440CF

triadic

#4083CF #CF4083 #83CF40

tetradic

#4083CF #CF40CB #CF8C40 #40CF44

square

#4083CF #CF40CB #CF8C40 #40CF44

split-complementary

#4083CF #CF4440 #CBCF40

monochromatic

#1E4877 #2A65A8 #4083CF #71A3DB #A2C3E8

Accessibility & contrast

On white

3.91

#4083CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4083CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083CF

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083CF	#FFFFFF	#000000	##000000
##4083CF	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6188D2

Deuteranopia (green-blind)

#4C7BCD

Tritanopia (blue-blind)

#00959F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4083cf;
/* rgb */ color: rgb(64, 131, 207);
/* oklch */ color: oklch(60.2% 0.135 253.4);

Tailwind

colors: {
  custom: {
    50: '#85a6de',
    500: '#4083cf',
    950: '#000000',
  },
}

SCSS

$custom: #4083cf;
$custom-light: #85a6de;
$custom-dark: #000000;

JSON

{
  "hex": "#4083cf",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 207
  },
  "hsl": {
    "h": 211.888,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60247,
    "c": 0.13485,
    "h": 253.4
  },
  "luminance": 0.21828
}

Semantic roles & 50–950 ramp

primary

#4083CF

secondary

#D4B797

accent

#9945E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4083CF

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

Preview Lab → · Contrast checker → · Palette generator →