#4579D8#4579D8

#4579D8 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.156 H 261.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4579D8
RGB	rgb(69, 121, 216)
HSL	hsl(219, 65%, 56%)
HSV	hsv(219, 68%, 85%)
CMYK	cmyk(68.1%, 44%, 0%, 15.3%)
CIE-LAB	lab(51.72, 13.62, -53.90)
CIE-LCH	lch(51.72, 55.60, 284.18°)
OKLab	oklab(58.82% -0.0235 -0.1541)
OKLCH	oklch(58.82% 0.156 261.3)
XYZ	xyz(21.6819, 19.8956, 67.6500)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579D8 #D8A445

analogous

#45C2D8 #4579D8 #5B45D8

triadic

#4579D8 #D84579 #79D845

tetradic

#4579D8 #D845C2 #D8A445 #45D85B

square

#4579D8 #D845C2 #D8A445 #45D85B

split-complementary

#4579D8 #D85B45 #C2D845

monochromatic

#1C4286 #275BB9 #4579D8 #789DE3 #AAC2ED

Accessibility & contrast

On white

4.22

#4579D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4579D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579D8

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579D8	#FFFFFF	#000000	##000000
##4579D8	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B83DC

Deuteranopia (green-blind)

#3075D6

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4579d8;
/* rgb */ color: rgb(69, 121, 216);
/* oklch */ color: oklch(58.8% 0.156 261.3);

Tailwind

colors: {
  custom: {
    50: '#889fe4',
    500: '#4579d8',
    950: '#000000',
  },
}

SCSS

$custom: #4579d8;
$custom-light: #889fe4;
$custom-dark: #000000;

JSON

{
  "hex": "#4579d8",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 216
  },
  "hsl": {
    "h": 218.776,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58815,
    "c": 0.1559,
    "h": 261.3
  },
  "luminance": 0.19898
}

Semantic roles & 50–950 ramp

primary

#4579D8

secondary

#DBC59E

accent

#AD40E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4579D8

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

Preview Lab → · Contrast checker → · Palette generator →