#4583DB#4583DB

#4583DB is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.2% C 0.149 H 257.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4583DB
RGB	rgb(69, 131, 219)
HSL	hsl(215, 68%, 56%)
HSV	hsv(215, 68%, 86%)
CMYK	cmyk(68.5%, 40.2%, 0%, 14.1%)
CIE-LAB	lab(54.67, 8.56, -50.89)
CIE-LCH	lch(54.67, 51.60, 279.54°)
OKLab	oklab(61.15% -0.0322 -0.1451)
OKLCH	oklch(61.15% 0.149 257.5)
XYZ	xyz(23.3521, 22.6099, 70.1376)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4583DB #DB9D45

analogous

#45CEDB #4583DB #5245DB

triadic

#4583DB #DB4583 #83DB45

tetradic

#4583DB #DB45CE #DB9D45 #45DB52

square

#4583DB #DB45CE #DB9D45 #45DB52

split-complementary

#4583DB #DB5245 #CEDB45

monochromatic

#1B498B #2564BE #4583DB #78A5E5 #ACC7EF

Accessibility & contrast

On white

3.80

#4583DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4583DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4583DB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4583DB	#FFFFFF	#000000	##000000
##4583DB	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8ADE

Deuteranopia (green-blind)

#437CD9

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4583db;
/* rgb */ color: rgb(69, 131, 219);
/* oklch */ color: oklch(61.2% 0.149 257.5);

Tailwind

colors: {
  custom: {
    50: '#89a6e6',
    500: '#4583db',
    950: '#000000',
  },
}

SCSS

$custom: #4583db;
$custom-light: #89a6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4583db",
  "rgb": {
    "r": 69,
    "g": 131,
    "b": 219
  },
  "hsl": {
    "h": 215.2,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.61152,
    "c": 0.14863,
    "h": 257.5
  },
  "luminance": 0.22612
}

Semantic roles & 50–950 ramp

primary

#4583DB

secondary

#DDC39F

accent

#A33DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4583DB

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

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