#4183C1#4183C1

#4183C1 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.5% C 0.117 H 249.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4183C1
RGB	rgb(65, 131, 193)
HSL	hsl(209, 51%, 51%)
HSV	hsv(209, 66%, 76%)
CMYK	cmyk(66.3%, 32.1%, 0%, 24.3%)
CIE-LAB	lab(53.17, -1.17, -38.54)
CIE-LCH	lch(53.17, 38.56, 268.26°)
OKLab	oklab(59.5% -0.0416 -0.1091)
OKLCH	oklch(59.5% 0.117 249.1)
XYZ	xyz(19.9183, 21.2046, 53.4849)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183C1 #C17F41

analogous

#41C1BF #4183C1 #4143C1

triadic

#4183C1 #C14183 #83C141

tetradic

#4183C1 #BF41C1 #C17F41 #43C141

square

#4183C1 #BF41C1 #C17F41 #43C141

split-complementary

#4183C1 #C14143 #C1BF41

monochromatic

#214566 #306494 #4183C1 #6FA1D0 #9DBFDF

Accessibility & contrast

On white

4.01

#4183C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#4183C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183C1

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183C1	#FFFFFF	#000000	##000000
##4183C1	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6886C4

Deuteranopia (green-blind)

#5679C0

Tritanopia (blue-blind)

#009299

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4183c1;
/* rgb */ color: rgb(65, 131, 193);
/* oklch */ color: oklch(59.5% 0.117 249.1);

Tailwind

colors: {
  custom: {
    50: '#83a6d4',
    500: '#4183c1',
    950: '#000000',
  },
}

SCSS

$custom: #4183c1;
$custom-light: #83a6d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4183c1",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 193
  },
  "hsl": {
    "h": 209.063,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59503,
    "c": 0.11673,
    "h": 249.1
  },
  "luminance": 0.21207
}

Semantic roles & 50–950 ramp

primary

#4183C1

secondary

#CBAE92

accent

#924EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4183C1

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

Preview Lab → · Contrast checker → · Palette generator →