#4583DD#4583DD

#4583DD is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.3% C 0.151 H 257.9°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4583DD
RGB	rgb(69, 131, 221)
HSL	hsl(216, 69%, 57%)
HSV	hsv(216, 69%, 87%)
CMYK	cmyk(68.8%, 40.7%, 0%, 13.3%)
CIE-LAB	lab(54.78, 9.26, -51.83)
CIE-LCH	lch(54.78, 52.65, 280.13°)
OKLab	oklab(61.27% -0.0318 -0.1479)
OKLCH	oklch(61.27% 0.151 257.9)
XYZ	xyz(23.6170, 22.7158, 71.5325)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4583DD #DD9F45

analogous

#45CFDD #4583DD #5345DD

triadic

#4583DD #DD4583 #83DD45

tetradic

#4583DD #DD45CF #DD9F45 #45DD53

square

#4583DD #DD45CF #DD9F45 #45DD53

split-complementary

#4583DD #DD5345 #CFDD45

monochromatic

#1A498E #2364C1 #4583DD #79A5E6 #ACC8F0

Accessibility & contrast

On white

3.79

#4583DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4583DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4583DD

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4583DD	#FFFFFF	#000000	##000000
##4583DD	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#598BE1

Deuteranopia (green-blind)

#417DDB

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4583dd;
/* rgb */ color: rgb(69, 131, 221);
/* oklch */ color: oklch(61.3% 0.151 257.9);

Tailwind

colors: {
  custom: {
    50: '#89a6e8',
    500: '#4583dd',
    950: '#000000',
  },
}

SCSS

$custom: #4583dd;
$custom-light: #89a6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4583dd",
  "rgb": {
    "r": 69,
    "g": 131,
    "b": 221
  },
  "hsl": {
    "h": 215.526,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61273,
    "c": 0.15126,
    "h": 257.9
  },
  "luminance": 0.22718
}

Semantic roles & 50–950 ramp

primary

#4583DD

secondary

#DEC5A0

accent

#A43CEC

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4583DD

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

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