#634DDB#634DDB

#634DDB is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.7% C 0.207 H 283.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#634DDB
RGB	rgb(99, 77, 219)
HSL	hsl(249, 66%, 58%)
HSV	hsv(249, 65%, 86%)
CMYK	cmyk(54.8%, 64.8%, 0%, 14.1%)
CIE-LAB	lab(42.87, 46.48, -69.82)
CIE-LCH	lch(42.87, 83.88, 303.65°)
OKLab	oklab(52.73% 0.0494 -0.2006)
OKLCH	oklch(52.73% 0.207 283.8)
XYZ	xyz(20.5817, 13.0737, 68.4430)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634DDB #C5DB4D

analogous

#4D7EDB #634DDB #AA4DDB

triadic

#634DDB #DB634D #4DDB63

tetradic

#634DDB #DB4D7E #C5DB4D #4DDBAA

square

#634DDB #DB4D7E #C5DB4D #4DDBAA

split-complementary

#634DDB #DBAA4D #7EDB4D

monochromatic

#2F1D90 #4027C3 #634DDB #9080E5 #BCB3F0

Accessibility & contrast

On white

5.81

#634DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#634DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634DDB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634DDB	#FFFFFF	#000000	##FFFFFF
##634DDB	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#2B718D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #634ddb;
/* rgb */ color: rgb(99, 77, 219);
/* oklch */ color: oklch(52.7% 0.207 283.8);

Tailwind

colors: {
  custom: {
    50: '#9a80e7',
    500: '#634ddb',
    950: '#000000',
  },
}

SCSS

$custom: #634ddb;
$custom-light: #9a80e7;
$custom-dark: #000000;

JSON

{
  "hex": "#634ddb",
  "rgb": {
    "r": 99,
    "g": 77,
    "b": 219
  },
  "hsl": {
    "h": 249.296,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52729,
    "c": 0.20661,
    "h": 283.8
  },
  "luminance": 0.13075
}

Semantic roles & 50–950 ramp

primary

#634DDB

secondary

#D5DEA6

accent

#E93FCF

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634DDB

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

Preview Lab → · Contrast checker → · Palette generator →