#4581E8#4581E8

#4581E8 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.5% C 0.168 H 260.4°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4581E8
RGB	rgb(69, 129, 232)
HSL	hsl(218, 78%, 59%)
HSV	hsv(218, 70%, 91%)
CMYK	cmyk(70.3%, 44.4%, 0%, 9%)
CIE-LAB	lab(54.85, 14.37, -57.87)
CIE-LCH	lch(54.85, 59.63, 283.95°)
OKLab	oklab(61.54% -0.0279 -0.1656)
OKLCH	oklch(61.54% 0.168 260.4)
XYZ	xyz(24.8648, 22.7893, 79.4166)
Luminance	0.2279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4581E8 #E8AC45

analogous

#45D3E8 #4581E8 #5B45E8

triadic

#4581E8 #E84581 #81E845

tetradic

#4581E8 #E845D3 #E8AC45 #45E85B

square

#4581E8 #E845D3 #E8AC45 #45E85B

split-complementary

#4581E8 #E85B45 #D3E845

monochromatic

#14479F #1A5FD5 #4581E8 #7BA6EF #B2CBF5

Accessibility & contrast

On white

3.78

#4581E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#4581E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4581E8

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4581E8	#FFFFFF	#000000	##000000
##4581E8	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8BEC

Deuteranopia (green-blind)

#2E7CE6

Tritanopia (blue-blind)

#0099A9

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4581e8;
/* rgb */ color: rgb(69, 129, 232);
/* oklch */ color: oklch(61.5% 0.168 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ba5f0',
    500: '#4581e8',
    950: '#000000',
  },
}

SCSS

$custom: #4581e8;
$custom-light: #8ba5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4581e8",
  "rgb": {
    "r": 69,
    "g": 129,
    "b": 232
  },
  "hsl": {
    "h": 217.914,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.61535,
    "c": 0.16797,
    "h": 260.4
  },
  "luminance": 0.22792
}

Semantic roles & 50–950 ramp

primary

#4581E8

secondary

#E4CDA4

accent

#AD33F4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4581E8

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

Preview Lab → · Contrast checker → · Palette generator →