#4579D5#4579D5

#4579D5 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.152 H 260.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4579D5
RGB	rgb(69, 121, 213)
HSL	hsl(218, 63%, 55%)
HSV	hsv(218, 68%, 84%)
CMYK	cmyk(67.6%, 43.2%, 0%, 16.5%)
CIE-LAB	lab(51.54, 12.55, -52.49)
CIE-LCH	lch(51.54, 53.97, 283.45°)
OKLab	oklab(58.62% -0.024 -0.1499)
OKLCH	oklch(58.62% 0.152 260.9)
XYZ	xyz(21.2976, 19.7419, 65.6261)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579D5 #D5A145

analogous

#45C1D5 #4579D5 #5945D5

triadic

#4579D5 #D54579 #79D545

tetradic

#4579D5 #D545C1 #D5A145 #45D559

square

#4579D5 #D545C1 #D5A145 #45D559

split-complementary

#4579D5 #D55945 #C1D545

monochromatic

#1D4282 #295BB4 #4579D5 #779DE0 #A9C1EC

Accessibility & contrast

On white

4.24

#4579D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4579D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579D5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579D5	#FFFFFF	#000000	##000000
##4579D5	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D82D9

Deuteranopia (green-blind)

#3475D3

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4579d5;
/* rgb */ color: rgb(69, 121, 213);
/* oklch */ color: oklch(58.6% 0.152 260.9);

Tailwind

colors: {
  custom: {
    50: '#889fe2',
    500: '#4579d5',
    950: '#000000',
  },
}

SCSS

$custom: #4579d5;
$custom-light: #889fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#4579d5",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 213
  },
  "hsl": {
    "h": 218.333,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58624,
    "c": 0.15186,
    "h": 260.9
  },
  "luminance": 0.19744
}

Semantic roles & 50–950 ramp

primary

#4579D5

secondary

#D9C39D

accent

#AB42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4579D5

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

Preview Lab → · Contrast checker → · Palette generator →