#4183C4#4183C4

#4183C4 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.120 H 250.2°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4183C4
RGB	rgb(65, 131, 196)
HSL	hsl(210, 53%, 51%)
HSV	hsv(210, 67%, 77%)
CMYK	cmyk(66.8%, 33.2%, 0%, 23.1%)
CIE-LAB	lab(53.32, -0.13, -40.02)
CIE-LCH	lch(53.32, 40.02, 269.81°)
OKLab	oklab(59.67% -0.0408 -0.1134)
OKLCH	oklch(59.67% 0.12 250.2)
XYZ	xyz(20.2564, 21.3399, 55.2653)
Luminance	0.2134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183C4 #C48241

analogous

#41C4C3 #4183C4 #4141C4

triadic

#4183C4 #C44183 #83C441

tetradic

#4183C4 #C341C4 #C48241 #41C441

square

#4183C4 #C341C4 #C48241 #41C441

split-complementary

#4183C4 #C44141 #C4C341

monochromatic

#21466A #2F6498 #4183C4 #70A1D3 #9EC0E1

Accessibility & contrast

On white

3.99

#4183C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#4183C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183C4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183C4	#FFFFFF	#000000	##000000
##4183C4	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6686C7

Deuteranopia (green-blind)

#547AC3

Tritanopia (blue-blind)

#00929A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4183c4;
/* rgb */ color: rgb(65, 131, 196);
/* oklch */ color: oklch(59.7% 0.120 250.2);

Tailwind

colors: {
  custom: {
    50: '#83a6d6',
    500: '#4183c4',
    950: '#000000',
  },
}

SCSS

$custom: #4183c4;
$custom-light: #83a6d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4183c4",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 196
  },
  "hsl": {
    "h": 209.771,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59666,
    "c": 0.12047,
    "h": 250.2
  },
  "luminance": 0.21342
}

Semantic roles & 50–950 ramp

primary

#4183C4

secondary

#CDB093

accent

#934CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4183C4

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

Preview Lab → · Contrast checker → · Palette generator →