#4183CA#4183CA

#4183CA is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.0% C 0.128 H 252.2°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4183CA
RGB	rgb(65, 131, 202)
HSL	hsl(211, 56%, 52%)
HSV	hsv(211, 68%, 79%)
CMYK	cmyk(67.8%, 35.1%, 0%, 20.8%)
CIE-LAB	lab(53.62, 1.96, -42.96)
CIE-LCH	lch(53.62, 43.00, 272.61°)
OKLab	oklab(60% -0.0391 -0.1219)
OKLCH	oklch(60% 0.128 252.2)
XYZ	xyz(20.9530, 21.6185, 58.9342)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183CA #CA8841

analogous

#41C8CA #4183CA #4441CA

triadic

#4183CA #CA4183 #83CA41

tetradic

#4183CA #CA41C8 #CA8841 #41CA44

square

#4183CA #CA41C8 #CA8841 #41CA44

split-complementary

#4183CA #CA4441 #C8CA41

monochromatic

#204771 #2D65A1 #4183CA #71A2D7 #A1C1E5

Accessibility & contrast

On white

3.94

#4183CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4183CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183CA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183CA	#FFFFFF	#000000	##000000
##4183CA	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CD

Deuteranopia (green-blind)

#507AC9

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4183ca;
/* rgb */ color: rgb(65, 131, 202);
/* oklch */ color: oklch(60.0% 0.128 252.2);

Tailwind

colors: {
  custom: {
    50: '#84a6da',
    500: '#4183ca',
    950: '#000000',
  },
}

SCSS

$custom: #4183ca;
$custom-light: #84a6da;
$custom-dark: #000000;

JSON

{
  "hex": "#4183ca",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 202
  },
  "hsl": {
    "h": 211.095,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.6,
    "c": 0.12806,
    "h": 252.2
  },
  "luminance": 0.21621
}

Semantic roles & 50–950 ramp

primary

#4183CA

secondary

#D1B496

accent

#9748E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4183CA

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

Preview Lab → · Contrast checker → · Palette generator →