#634FCA#634FCA

#634FCA is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.7% C 0.183 H 285.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#634FCA
RGB	rgb(99, 79, 202)
HSL	hsl(250, 54%, 55%)
HSV	hsv(250, 61%, 79%)
CMYK	cmyk(51%, 60.9%, 0%, 20.8%)
CIE-LAB	lab(42.01, 40.23, -61.45)
CIE-LCH	lch(42.01, 73.45, 303.21°)
OKLab	oklab(51.7% 0.0489 -0.176)
OKLCH	oklch(51.7% 0.183 285.5)
XYZ	xyz(18.5991, 12.5079, 57.2999)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FCA #B6CA4F

analogous

#4F79CA #634FCA #A04FCA

triadic

#634FCA #CA634F #4FCA63

tetradic

#634FCA #CA4F79 #B6CA4F #4FCAA0

square

#634FCA #CA4F79 #B6CA4F #4FCAA0

split-complementary

#634FCA #CAA04F #79CA4F

monochromatic

#33257A #4633A9 #634FCA #8D7ED8 #B6ADE6

Accessibility & contrast

On white

6.00

#634FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#634FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FCA

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FCA	#FFFFFF	#000000	##FFFFFF
##634FCA	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#3C6C85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #634fca;
/* rgb */ color: rgb(99, 79, 202);
/* oklch */ color: oklch(51.7% 0.183 285.5);

Tailwind

colors: {
  custom: {
    50: '#9881db',
    500: '#634fca',
    950: '#000000',
  },
}

SCSS

$custom: #634fca;
$custom-light: #9881db;
$custom-dark: #000000;

JSON

{
  "hex": "#634fca",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 202
  },
  "hsl": {
    "h": 249.756,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51696,
    "c": 0.18269,
    "h": 285.5
  },
  "luminance": 0.12509
}

Semantic roles & 50–950 ramp

primary

#634FCA

secondary

#CCD4A1

accent

#DD4BC5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #634FCA

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

Preview Lab → · Contrast checker → · Palette generator →