#4580D8#4580D8

#4580D8 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.3% C 0.148 H 258.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#4580D8
RGBrgb(69, 128, 216)
HSLhsl(216, 65%, 56%)
HSVhsv(216, 68%, 85%)
CMYKcmyk(68.1%, 40.7%, 0%, 15.3%)
CIE-LABlab(53.66, 9.32, -50.80)
CIE-LCHlch(53.66, 51.65, 280.40°)
OKLaboklab(60.32% -0.03 -0.1449)
OKLCHoklch(60.32% 0.148 258.3)
XYZxyz(22.5636, 21.6591, 67.9439)
Luminance0.2166 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4580D8 #D89D45
analogous
#45CAD8 #4580D8 #5345D8
triadic
#4580D8 #D84580 #80D845
tetradic
#4580D8 #D845CA #D89D45 #45D853
square
#4580D8 #D845CA #D89D45 #45D853
split-complementary
#4580D8 #D85345 #CAD845
monochromatic
#1C4786 #2761B9 #4580D8 #78A3E3 #AAC5ED

Accessibility & contrast

On white

3.94
#4580D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#4580D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580D8
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4580D8#FFFFFF#000000##000000
##4580D81.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5788DB
Deuteranopia (green-blind)
#407AD6
Tritanopia (blue-blind)
#0094A1
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4580d8;
/* rgb */ color: rgb(69, 128, 216);
/* oklch */ color: oklch(60.3% 0.148 258.3);
Tailwind
colors: {
  custom: {
    50: '#88a4e4',
    500: '#4580d8',
    950: '#000000',
  },
}
SCSS
$custom: #4580d8;
$custom-light: #88a4e4;
$custom-dark: #000000;
JSON
{
  "hex": "#4580d8",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 216
  },
  "hsl": {
    "h": 215.918,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60318,
    "c": 0.14797,
    "h": 258.3
  },
  "luminance": 0.21661
}

Semantic roles & 50–950 ramp

primary
#4580D8
secondary
#DBC29E
accent
#A540E8
background
#F9FAFE
surface
#F1F3FC
border
#CBCDD5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4580D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4580D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva