#4579E1#4579E1

#4579E1 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.4% C 0.168 H 262.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4579E1
RGB	rgb(69, 121, 225)
HSL	hsl(220, 72%, 58%)
HSV	hsv(220, 69%, 88%)
CMYK	cmyk(69.3%, 46.2%, 0%, 11.8%)
CIE-LAB	lab(52.26, 16.81, -58.11)
CIE-LCH	lch(52.26, 60.50, 286.13°)
OKLab	oklab(59.4% -0.022 -0.1665)
OKLCH	oklch(59.4% 0.168 262.5)
XYZ	xyz(22.8774, 20.3738, 73.9464)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579E1 #E1AD45

analogous

#45C7E1 #4579E1 #5F45E1

triadic

#4579E1 #E14579 #79E145

tetradic

#4579E1 #E145C7 #E1AD45 #45E15F

square

#4579E1 #E145C7 #E1AD45 #45E15F

split-complementary

#4579E1 #E15F45 #C7E145

monochromatic

#184194 #2058C8 #4579E1 #7A9FE9 #AEC5F2

Accessibility & contrast

On white

4.14

#4579E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#4579E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579E1

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579E1	#FFFFFF	#000000	##000000
##4579E1	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4384E5

Deuteranopia (green-blind)

#2076DF

Tritanopia (blue-blind)

#0091A2

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4579e1;
/* rgb */ color: rgb(69, 121, 225);
/* oklch */ color: oklch(59.4% 0.168 262.5);

Tailwind

colors: {
  custom: {
    50: '#8a9feb',
    500: '#4579e1',
    950: '#000000',
  },
}

SCSS

$custom: #4579e1;
$custom-light: #8a9feb;
$custom-dark: #000000;

JSON

{
  "hex": "#4579e1",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 225
  },
  "hsl": {
    "h": 220,
    "s": 72.222,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59403,
    "c": 0.16794,
    "h": 262.5
  },
  "luminance": 0.20376
}

Semantic roles & 50–950 ramp

primary

#4579E1

secondary

#E0CBA2

accent

#B239EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4579E1

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

Preview Lab → · Contrast checker → · Palette generator →