#4B59CF#4B59CF

#4B59CF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.181 H 273.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4B59CF
RGB	rgb(75, 89, 207)
HSL	hsl(234, 58%, 55%)
HSV	hsv(234, 64%, 81%)
CMYK	cmyk(63.8%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.98, 31.48, -62.84)
CIE-LCH	lch(42.98, 70.29, 296.61°)
OKLab	oklab(52.08% 0.0103 -0.1807)
OKLCH	oklch(52.08% 0.181 273.3)
XYZ	xyz(17.7328, 13.1441, 60.6220)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B59CF #CFC14B

analogous

#4B9BCF #4B59CF #7F4BCF

triadic

#4B59CF #CF4B59 #59CF4B

tetradic

#4B59CF #CF4B9B #CFC14B #4BCF7F

square

#4B59CF #CF4B9B #CFC14B #4BCF7F

split-complementary

#4B59CF #CF7F4B #9BCF4B

monochromatic

#222B7E #2E3CAE #4B59CF #7B86DC #ACB2E9

Accessibility & contrast

On white

5.79

#4B59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4B59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B59CF

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B59CF	#FFFFFF	#000000	##FFFFFF
##4B59CF	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b59cf;
/* rgb */ color: rgb(75, 89, 207);
/* oklch */ color: oklch(52.1% 0.181 273.3);

Tailwind

colors: {
  custom: {
    50: '#8b87de',
    500: '#4b59cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b59cf;
$custom-light: #8b87de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b59cf",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 233.636,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52078,
    "c": 0.18103,
    "h": 273.3
  },
  "luminance": 0.13146
}

Semantic roles & 50–950 ramp

primary

#4B59CF

secondary

#D6D19F

accent

#D147E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B59CF

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

Preview Lab → · Contrast checker → · Palette generator →