#4183C7#4183C7

#4183C7 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 59.8% C 0.124 H 251.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4183C7
RGB	rgb(65, 131, 199)
HSL	hsl(210, 54%, 52%)
HSV	hsv(210, 67%, 78%)
CMYK	cmyk(67.3%, 34.2%, 0%, 22%)
CIE-LAB	lab(53.47, 0.91, -41.49)
CIE-LCH	lch(53.47, 41.50, 271.26°)
OKLab	oklab(59.83% -0.0399 -0.1177)
OKLCH	oklch(59.83% 0.124 251.3)
XYZ	xyz(20.6013, 21.4778, 57.0817)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183C7 #C78541

analogous

#41C6C7 #4183C7 #4241C7

triadic

#4183C7 #C74183 #83C741

tetradic

#4183C7 #C741C6 #C78541 #41C742

square

#4183C7 #C741C6 #C78541 #41C742

split-complementary

#4183C7 #C74241 #C6C741

monochromatic

#20466D #2E659D #4183C7 #70A2D5 #A0C1E3

Accessibility & contrast

On white

3.97

#4183C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#4183C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183C7

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183C7	#FFFFFF	#000000	##000000
##4183C7	1.00	3.97	5.30	5.30
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6587CA

Deuteranopia (green-blind)

#527AC6

Tritanopia (blue-blind)

#00939C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4183c7;
/* rgb */ color: rgb(65, 131, 199);
/* oklch */ color: oklch(59.8% 0.124 251.3);

Tailwind

colors: {
  custom: {
    50: '#84a6d8',
    500: '#4183c7',
    950: '#000000',
  },
}

SCSS

$custom: #4183c7;
$custom-light: #84a6d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4183c7",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 199
  },
  "hsl": {
    "h": 210.448,
    "s": 54.472,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59832,
    "c": 0.12425,
    "h": 251.3
  },
  "luminance": 0.2148
}

Semantic roles & 50–950 ramp

primary

#4183C7

secondary

#CFB295

accent

#954ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4183C7

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

Preview Lab → · Contrast checker → · Palette generator →