#4183D7#4183D7

#4183D7 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.8% C 0.145 H 255.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4183D7
RGB	rgb(65, 131, 215)
HSL	hsl(214, 65%, 55%)
HSV	hsv(214, 70%, 84%)
CMYK	cmyk(69.8%, 39.1%, 0%, 15.7%)
CIE-LAB	lab(54.30, 6.54, -49.23)
CIE-LCH	lch(54.30, 49.66, 277.57°)
OKLab	oklab(60.76% -0.0359 -0.1403)
OKLCH	oklch(60.76% 0.145 255.6)
XYZ	xyz(22.5575, 22.2603, 67.3847)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D7 #D79541

analogous

#41CED7 #4183D7 #4A41D7

triadic

#4183D7 #D74183 #83D741

tetradic

#4183D7 #D741CE #D79541 #41D74A

square

#4183D7 #D741CE #D79541 #41D74A

split-complementary

#4183D7 #D74A41 #CED741

monochromatic

#1B4982 #2665B5 #4183D7 #74A4E2 #A6C5EC

Accessibility & contrast

On white

3.85

#4183D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#4183D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D7

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D7	#FFFFFF	#000000	##000000
##4183D7	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C89DA

Deuteranopia (green-blind)

#457BD5

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4183d7;
/* rgb */ color: rgb(65, 131, 215);
/* oklch */ color: oklch(60.8% 0.145 255.6);

Tailwind

colors: {
  custom: {
    50: '#86a6e4',
    500: '#4183d7',
    950: '#000000',
  },
}

SCSS

$custom: #4183d7;
$custom-light: #86a6e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d7",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 215
  },
  "hsl": {
    "h": 213.6,
    "s": 65.217,
    "l": 54.902
  },
  "oklch": {
    "l": 0.60755,
    "c": 0.14482,
    "h": 255.6
  },
  "luminance": 0.22263
}

Semantic roles & 50–950 ramp

primary

#4183D7

secondary

#D9BE9A

accent

#9E40E8

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F15

muted

#7D7F84

Preview Lab

Preview with #4183D7

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

Preview Lab → · Contrast checker → · Palette generator →