#4579CE#4579CE

#4579CE is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.142 H 259.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4579CE
RGB	rgb(69, 121, 206)
HSL	hsl(217, 58%, 54%)
HSV	hsv(217, 67%, 81%)
CMYK	cmyk(66.5%, 41.3%, 0%, 19.2%)
CIE-LAB	lab(51.15, 10.08, -49.15)
CIE-LCH	lch(51.15, 50.17, 281.59°)
OKLab	oklab(58.19% -0.0254 -0.1401)
OKLCH	oklch(58.19% 0.142 259.7)
XYZ	xyz(20.4282, 19.3942, 61.0474)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579CE #CE9A45

analogous

#45BECE #4579CE #5645CE

triadic

#4579CE #CE4579 #79CE45

tetradic

#4579CE #CE45BE #CE9A45 #45CE56

square

#4579CE #CE45BE #CE9A45 #45CE56

split-complementary

#4579CE #CE5645 #BECE45

monochromatic

#204279 #2D5CA9 #4579CE #759CDB #A6BFE8

Accessibility & contrast

On white

4.30

#4579CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4579CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579CE

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579CE	#FFFFFF	#000000	##000000
##4579CE	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5281D1

Deuteranopia (green-blind)

#3C74CC

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4579ce;
/* rgb */ color: rgb(69, 121, 206);
/* oklch */ color: oklch(58.2% 0.142 259.7);

Tailwind

colors: {
  custom: {
    50: '#879fdd',
    500: '#4579ce',
    950: '#000000',
  },
}

SCSS

$custom: #4579ce;
$custom-light: #879fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4579ce",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 206
  },
  "hsl": {
    "h": 217.226,
    "s": 58.298,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58186,
    "c": 0.14243,
    "h": 259.7
  },
  "luminance": 0.19396
}

Semantic roles & 50–950 ramp

primary

#4579CE

secondary

#D5BE9A

accent

#A746E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4579CE

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

Preview Lab → · Contrast checker → · Palette generator →