#4083CB#4083CB

#4083CB is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.0% C 0.130 H 252.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4083CB
RGB	rgb(64, 131, 203)
HSL	hsl(211, 57%, 52%)
HSV	hsv(211, 68%, 80%)
CMYK	cmyk(68.5%, 35.5%, 0%, 20.4%)
CIE-LAB	lab(53.63, 2.15, -43.50)
CIE-LCH	lch(53.63, 43.56, 272.83°)
OKLab	oklab(60.02% -0.0396 -0.1235)
OKLCH	oklch(60.02% 0.13 252.2)
XYZ	xyz(21.0062, 21.6322, 59.5567)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083CB #CB8840

analogous

#40C9CB #4083CB #4240CB

triadic

#4083CB #CB4083 #83CB40

tetradic

#4083CB #CB40C9 #CB8840 #40CB42

square

#4083CB #CB40C9 #CB8840 #40CB42

split-complementary

#4083CB #CB4240 #C9CB40

monochromatic

#1F4772 #2C65A2 #4083CB #70A2D8 #A0C1E5

Accessibility & contrast

On white

3.94

#4083CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4083CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083CB

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083CB	#FFFFFF	#000000	##000000
##4083CB	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CE

Deuteranopia (green-blind)

#4F7ACA

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4083cb;
/* rgb */ color: rgb(64, 131, 203);
/* oklch */ color: oklch(60.0% 0.130 252.2);

Tailwind

colors: {
  custom: {
    50: '#84a6db',
    500: '#4083cb',
    950: '#000000',
  },
}

SCSS

$custom: #4083cb;
$custom-light: #84a6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4083cb",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 211.079,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60018,
    "c": 0.12973,
    "h": 252.2
  },
  "luminance": 0.21634
}

Semantic roles & 50–950 ramp

primary

#4083CB

secondary

#D2B495

accent

#9747E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4083CB

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

Preview Lab → · Contrast checker → · Palette generator →