#4580D9#4580D9

#4580D9 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.149 H 258.5°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4580D9
RGB	rgb(69, 128, 217)
HSL	hsl(216, 66%, 56%)
HSV	hsv(216, 68%, 85%)
CMYK	cmyk(68.2%, 41%, 0%, 14.9%)
CIE-LAB	lab(53.72, 9.67, -51.27)
CIE-LCH	lch(53.72, 52.18, 280.68°)
OKLab	oklab(60.38% -0.0298 -0.1463)
OKLCH	oklch(60.38% 0.149 258.5)
XYZ	xyz(22.6933, 21.7110, 68.6269)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580D9 #D99E45

analogous

#45CAD9 #4580D9 #5445D9

triadic

#4580D9 #D94580 #80D945

tetradic

#4580D9 #D945CA #D99E45 #45D954

square

#4580D9 #D945CA #D99E45 #45D954

split-complementary

#4580D9 #D95445 #CAD945

monochromatic

#1C4788 #2661BB #4580D9 #78A3E3 #ABC5EE

Accessibility & contrast

On white

3.93

#4580D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#4580D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580D9

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580D9	#FFFFFF	#000000	##000000
##4580D9	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DC

Deuteranopia (green-blind)

#3F7AD7

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4580d9;
/* rgb */ color: rgb(69, 128, 217);
/* oklch */ color: oklch(60.4% 0.149 258.5);

Tailwind

colors: {
  custom: {
    50: '#88a4e5',
    500: '#4580d9',
    950: '#000000',
  },
}

SCSS

$custom: #4580d9;
$custom-light: #88a4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4580d9",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 217
  },
  "hsl": {
    "h": 216.081,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60379,
    "c": 0.14929,
    "h": 258.5
  },
  "luminance": 0.21713
}

Semantic roles & 50–950 ramp

primary

#4580D9

secondary

#DBC39E

accent

#A53FE9

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580D9

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

Preview Lab → · Contrast checker → · Palette generator →