#5B63DD#5B63DD

#5B63DD is a mid, vivid blue. Relative luminance 0.164; OKLCH L 56.0% C 0.183 H 275.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#5B63DD
RGB	rgb(91, 99, 221)
HSL	hsl(236, 66%, 61%)
HSV	hsv(236, 59%, 87%)
CMYK	cmyk(58.8%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(47.45, 32.67, -63.54)
CIE-LCH	lch(47.45, 71.45, 297.21°)
OKLab	oklab(55.99% 0.0189 -0.1823)
OKLCH	oklch(55.99% 0.183 275.9)
XYZ	xyz(21.8231, 16.3666, 70.4017)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63DD #DDD55B

analogous

#5BA4DD #5B63DD #945BDD

triadic

#5B63DD #DD5B63 #63DD5B

tetradic

#5B63DD #DD5BA4 #DDD55B #5BDD94

square

#5B63DD #DD5BA4 #DDD55B #5BDD94

split-complementary

#5B63DD #DD945B #A4DD5B

monochromatic

#21289D #2B35D0 #5B63DD #8E93E8 #C0C3F2

Accessibility & contrast

On white

4.91

#5B63DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5B63DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63DD

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63DD	#FFFFFF	#000000	##FFFFFF
##5B63DD	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E1

Deuteranopia (green-blind)

#006BDA

Tritanopia (blue-blind)

#008096

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b63dd;
/* rgb */ color: rgb(91, 99, 221);
/* oklch */ color: oklch(56.0% 0.183 275.9);

Tailwind

colors: {
  custom: {
    50: '#958fe8',
    500: '#5b63dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b63dd;
$custom-light: #958fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63dd",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 236.308,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.5599,
    "c": 0.18328,
    "h": 275.9
  },
  "luminance": 0.16368
}

Semantic roles & 50–950 ramp

primary

#5B63DD

secondary

#E2DFB1

accent

#C218CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B63DD

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

Preview Lab → · Contrast checker → · Palette generator →