#4581D8#4581D8

#4581D8 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.5% C 0.147 H 257.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4581D8
RGB	rgb(69, 129, 216)
HSL	hsl(216, 65%, 56%)
HSV	hsv(216, 68%, 85%)
CMYK	cmyk(68.1%, 40.3%, 0%, 15.3%)
CIE-LAB	lab(53.94, 8.71, -50.35)
CIE-LCH	lch(53.94, 51.10, 279.82°)
OKLab	oklab(60.54% -0.031 -0.1436)
OKLCH	oklch(60.54% 0.147 257.8)
XYZ	xyz(22.6947, 21.9213, 67.9876)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4581D8 #D89C45

analogous

#45CAD8 #4581D8 #5245D8

triadic

#4581D8 #D84581 #81D845

tetradic

#4581D8 #D845CA #D89C45 #45D852

square

#4581D8 #D845CA #D89C45 #45D852

split-complementary

#4581D8 #D85245 #CAD845

monochromatic

#1C4886 #2762B9 #4581D8 #78A3E3 #AAC6ED

Accessibility & contrast

On white

3.90

#4581D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4581D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4581D8

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4581D8	#FFFFFF	#000000	##000000
##4581D8	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5988DB

Deuteranopia (green-blind)

#427BD6

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4581d8;
/* rgb */ color: rgb(69, 129, 216);
/* oklch */ color: oklch(60.5% 0.147 257.8);

Tailwind

colors: {
  custom: {
    50: '#88a5e4',
    500: '#4581d8',
    950: '#000000',
  },
}

SCSS

$custom: #4581d8;
$custom-light: #88a5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4581d8",
  "rgb": {
    "r": 69,
    "g": 129,
    "b": 216
  },
  "hsl": {
    "h": 215.51,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60535,
    "c": 0.14687,
    "h": 257.8
  },
  "luminance": 0.21924
}

Semantic roles & 50–950 ramp

primary

#4581D8

secondary

#DBC29E

accent

#A340E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4581D8

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

Preview Lab → · Contrast checker → · Palette generator →