#4579D2#4579D2

#4579D2 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.4% C 0.148 H 260.4°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4579D2
RGB	rgb(69, 121, 210)
HSL	hsl(218, 61%, 55%)
HSV	hsv(218, 67%, 82%)
CMYK	cmyk(67.1%, 42.4%, 0%, 17.6%)
CIE-LAB	lab(51.37, 11.49, -51.06)
CIE-LCH	lch(51.37, 52.34, 282.69°)
OKLab	oklab(58.44% -0.0246 -0.1458)
OKLCH	oklch(58.44% 0.148 260.4)
XYZ	xyz(20.9203, 19.5910, 63.6392)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579D2 #D29E45

analogous

#45C0D2 #4579D2 #5745D2

triadic

#4579D2 #D24579 #79D245

tetradic

#4579D2 #D245C0 #D29E45 #45D257

square

#4579D2 #D245C0 #D29E45 #45D257

split-complementary

#4579D2 #D25745 #C0D245

monochromatic

#1F427E #2A5BAF #4579D2 #769DDE #A8C0EA

Accessibility & contrast

On white

4.27

#4579D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#4579D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579D2

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579D2	#FFFFFF	#000000	##000000
##4579D2	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F81D5

Deuteranopia (green-blind)

#3874D0

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4579d2;
/* rgb */ color: rgb(69, 121, 210);
/* oklch */ color: oklch(58.4% 0.148 260.4);

Tailwind

colors: {
  custom: {
    50: '#879fe0',
    500: '#4579d2',
    950: '#000000',
  },
}

SCSS

$custom: #4579d2;
$custom-light: #879fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#4579d2",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 210
  },
  "hsl": {
    "h": 217.872,
    "s": 61.039,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58435,
    "c": 0.14783,
    "h": 260.4
  },
  "luminance": 0.19593
}

Semantic roles & 50–950 ramp

primary

#4579D2

secondary

#D7C19C

accent

#A944E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4579D2

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

Preview Lab → · Contrast checker → · Palette generator →