#4183D8#4183D8

#4183D8 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.8% C 0.146 H 255.9°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4183D8
RGB	rgb(65, 131, 216)
HSL	hsl(214, 66%, 55%)
HSV	hsv(214, 70%, 85%)
CMYK	cmyk(69.9%, 39.4%, 0%, 15.3%)
CIE-LAB	lab(54.36, 6.89, -49.70)
CIE-LCH	lch(54.36, 50.18, 277.90°)
OKLab	oklab(60.82% -0.0357 -0.1417)
OKLCH	oklch(60.82% 0.146 255.9)
XYZ	xyz(22.6864, 22.3119, 68.0634)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183D8 #D89641

analogous

#41CED8 #4183D8 #4B41D8

triadic

#4183D8 #D84183 #83D841

tetradic

#4183D8 #D841CE #D89641 #41D84B

square

#4183D8 #D841CE #D89641 #41D84B

split-complementary

#4183D8 #D84B41 #CED841

monochromatic

#1B4984 #2565B6 #4183D8 #74A4E2 #A7C5ED

Accessibility & contrast

On white

3.84

#4183D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4183D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183D8

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183D8	#FFFFFF	#000000	##000000
##4183D8	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8ADB

Deuteranopia (green-blind)

#447CD6

Tritanopia (blue-blind)

#0097A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4183d8;
/* rgb */ color: rgb(65, 131, 216);
/* oklch */ color: oklch(60.8% 0.146 255.9);

Tailwind

colors: {
  custom: {
    50: '#87a6e4',
    500: '#4183d8',
    950: '#000000',
  },
}

SCSS

$custom: #4183d8;
$custom-light: #87a6e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4183d8",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 216
  },
  "hsl": {
    "h": 213.775,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60815,
    "c": 0.14612,
    "h": 255.9
  },
  "luminance": 0.22314
}

Semantic roles & 50–950 ramp

primary

#4183D8

secondary

#DABE9B

accent

#9F3FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4183D8

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

Preview Lab → · Contrast checker → · Palette generator →