#4B59CC#4B59CC

#4B59CC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.177 H 273.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4B59CC
RGB	rgb(75, 89, 204)
HSL	hsl(233, 56%, 55%)
HSV	hsv(233, 63%, 80%)
CMYK	cmyk(63.2%, 56.4%, 0%, 20%)
CIE-LAB	lab(42.76, 30.46, -61.47)
CIE-LCH	lch(42.76, 68.60, 296.36°)
OKLab	oklab(51.85% 0.0102 -0.1767)
OKLCH	oklch(51.85% 0.177 273.3)
XYZ	xyz(17.3695, 12.9988, 58.7087)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B59CC #CCBE4B

analogous

#4B9ACC #4B59CC #7D4BCC

triadic

#4B59CC #CC4B59 #59CC4B

tetradic

#4B59CC #CC4B9A #CCBE4B #4BCC7D

square

#4B59CC #CC4B9A #CCBE4B #4BCC7D

split-complementary

#4B59CC #CC7D4B #9ACC4B

monochromatic

#232C7A #303DAA #4B59CC #7B85DA #AAB1E7

Accessibility & contrast

On white

5.83

#4B59CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4B59CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B59CC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B59CC	#FFFFFF	#000000	##FFFFFF
##4B59CC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b59cc;
/* rgb */ color: rgb(75, 89, 204);
/* oklch */ color: oklch(51.8% 0.177 273.3);

Tailwind

colors: {
  custom: {
    50: '#8a87dc',
    500: '#4b59cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b59cc;
$custom-light: #8a87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b59cc",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 233.488,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51847,
    "c": 0.17699,
    "h": 273.3
  },
  "luminance": 0.13
}

Semantic roles & 50–950 ramp

primary

#4B59CC

secondary

#D5CF9E

accent

#CF49DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B59CC

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

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