#4579D0#4579D0

#4579D0 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.145 H 260.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4579D0
RGB	rgb(69, 121, 208)
HSL	hsl(218, 60%, 54%)
HSV	hsv(218, 67%, 82%)
CMYK	cmyk(66.8%, 41.8%, 0%, 18.4%)
CIE-LAB	lab(51.26, 10.79, -50.11)
CIE-LCH	lch(51.26, 51.25, 282.15°)
OKLab	oklab(58.31% -0.025 -0.143)
OKLCH	oklch(58.31% 0.145 260.1)
XYZ	xyz(20.6727, 19.4920, 62.3351)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579D0 #D09C45

analogous

#45BFD0 #4579D0 #5745D0

triadic

#4579D0 #D04579 #79D045

tetradic

#4579D0 #D045BF #D09C45 #45D057

square

#4579D0 #D045BF #D09C45 #45D057

split-complementary

#4579D0 #D05745 #BFD045

monochromatic

#1F427B #2C5CAC #4579D0 #769CDC #A7BFE9

Accessibility & contrast

On white

4.29

#4579D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4579D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579D0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579D0	#FFFFFF	#000000	##000000
##4579D0	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3A74CE

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4579d0;
/* rgb */ color: rgb(69, 121, 208);
/* oklch */ color: oklch(58.3% 0.145 260.1);

Tailwind

colors: {
  custom: {
    50: '#879fdf',
    500: '#4579d0',
    950: '#000000',
  },
}

SCSS

$custom: #4579d0;
$custom-light: #879fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4579d0",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 208
  },
  "hsl": {
    "h": 217.554,
    "s": 59.657,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.14512,
    "h": 260.1
  },
  "luminance": 0.19494
}

Semantic roles & 50–950 ramp

primary

#4579D0

secondary

#D6C09B

accent

#A845E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4579D0

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

Preview Lab → · Contrast checker → · Palette generator →