#4583DC#4583DC

#4583DC is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.150 H 257.7°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4583DC
RGB	rgb(69, 131, 220)
HSL	hsl(215, 68%, 57%)
HSV	hsv(215, 69%, 86%)
CMYK	cmyk(68.6%, 40.5%, 0%, 13.7%)
CIE-LAB	lab(54.72, 8.91, -51.36)
CIE-LCH	lch(54.72, 52.13, 279.84°)
OKLab	oklab(61.21% -0.032 -0.1465)
OKLCH	oklch(61.21% 0.15 257.7)
XYZ	xyz(23.4841, 22.6627, 70.8330)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4583DC #DC9E45

analogous

#45CFDC #4583DC #5345DC

triadic

#4583DC #DC4583 #83DC45

tetradic

#4583DC #DC45CF #DC9E45 #45DC53

square

#4583DC #DC45CF #DC9E45 #45DC53

split-complementary

#4583DC #DC5345 #CFDC45

monochromatic

#1A498C #2464C0 #4583DC #79A5E6 #ACC8EF

Accessibility & contrast

On white

3.80

#4583DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4583DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4583DC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4583DC	#FFFFFF	#000000	##000000
##4583DC	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8BE0

Deuteranopia (green-blind)

#427CDA

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4583dc;
/* rgb */ color: rgb(69, 131, 220);
/* oklch */ color: oklch(61.2% 0.150 257.7);

Tailwind

colors: {
  custom: {
    50: '#89a6e7',
    500: '#4583dc',
    950: '#000000',
  },
}

SCSS

$custom: #4583dc;
$custom-light: #89a6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4583dc",
  "rgb": {
    "r": 69,
    "g": 131,
    "b": 220
  },
  "hsl": {
    "h": 215.364,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61212,
    "c": 0.14994,
    "h": 257.7
  },
  "luminance": 0.22665
}

Semantic roles & 50–950 ramp

primary

#4583DC

secondary

#DDC4A0

accent

#A43DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4583DC

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

Preview Lab → · Contrast checker → · Palette generator →