#4183D2#4183D2

#4183D2 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.5% C 0.138 H 254.4°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4183D2
RGB	rgb(65, 131, 210)
HSL	hsl(213, 62%, 54%)
HSV	hsv(213, 69%, 82%)
CMYK	cmyk(69%, 37.6%, 0%, 17.6%)
CIE-LAB	lab(54.03, 4.77, -46.83)
CIE-LCH	lch(54.03, 47.07, 275.82°)
OKLab	oklab(60.46% -0.0371 -0.1333)
OKLCH	oklch(60.46% 0.138 254.4)
XYZ	xyz(21.9249, 22.0072, 64.0526)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D2 #D29041

analogous

#41CBD2 #4183D2 #4841D2

triadic

#4183D2 #D24183 #83D241

tetradic

#4183D2 #D241CB #D29041 #41D248

square

#4183D2 #D241CB #D29041 #41D248

split-complementary

#4183D2 #D24841 #CBD241

monochromatic

#1D487B #2965AD #4183D2 #72A3DE #A4C4E9

Accessibility & contrast

On white

3.89

#4183D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#4183D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D2	#FFFFFF	#000000	##000000
##4183D2	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D5

Deuteranopia (green-blind)

#4A7BD0

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4183d2;
/* rgb */ color: rgb(65, 131, 210);
/* oklch */ color: oklch(60.5% 0.138 254.4);

Tailwind

colors: {
  custom: {
    50: '#86a6e0',
    500: '#4183d2',
    950: '#000000',
  },
}

SCSS

$custom: #4183d2;
$custom-light: #86a6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d2",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 210
  },
  "hsl": {
    "h": 212.69,
    "s": 61.702,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6046,
    "c": 0.13834,
    "h": 254.4
  },
  "luminance": 0.2201
}

Semantic roles & 50–950 ramp

primary

#4183D2

secondary

#D6BA98

accent

#9B43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4183D2

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

Preview Lab → · Contrast checker → · Palette generator →