#634FDB#634FDB

#634FDB is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.0% C 0.204 H 283.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#634FDB
RGB	rgb(99, 79, 219)
HSL	hsl(249, 66%, 58%)
HSV	hsv(249, 64%, 86%)
CMYK	cmyk(54.8%, 63.9%, 0%, 14.1%)
CIE-LAB	lab(43.30, 45.35, -69.13)
CIE-LCH	lch(43.30, 82.67, 303.26°)
OKLab	oklab(53.04% 0.0475 -0.1986)
OKLCH	oklch(53.04% 0.204 283.5)
XYZ	xyz(20.7238, 13.3579, 68.4904)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634FDB #C7DB4F

analogous

#4F81DB #634FDB #A94FDB

triadic

#634FDB #DB634F #4FDB63

tetradic

#634FDB #DB4F81 #C7DB4F #4FDBA9

square

#634FDB #DB4F81 #C7DB4F #4FDBA9

split-complementary

#634FDB #DBA94F #81DB4F

monochromatic

#2E1E92 #3F28C5 #634FDB #9082E5 #BDB5F0

Accessibility & contrast

On white

5.72

#634FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#634FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634FDB

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634FDB	#FFFFFF	#000000	##FFFFFF
##634FDB	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#2B728E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #634fdb;
/* rgb */ color: rgb(99, 79, 219);
/* oklch */ color: oklch(53.0% 0.204 283.5);

Tailwind

colors: {
  custom: {
    50: '#9a81e7',
    500: '#634fdb',
    950: '#000000',
  },
}

SCSS

$custom: #634fdb;
$custom-light: #9a81e7;
$custom-dark: #000000;

JSON

{
  "hex": "#634fdb",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 219
  },
  "hsl": {
    "h": 248.571,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.53036,
    "c": 0.20421,
    "h": 283.5
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#634FDB

secondary

#D7DFA7

accent

#E93FD1

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634FDB

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

Preview Lab → · Contrast checker → · Palette generator →