#635BB3#635BB3

#635BB3 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.135 H 284.8°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#635BB3
RGB	rgb(99, 91, 179)
HSL	hsl(245, 37%, 53%)
HSV	hsv(245, 49%, 70%)
CMYK	cmyk(44.7%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(43.34, 26.04, -45.91)
CIE-LCH	lch(43.34, 52.78, 299.56°)
OKLab	oklab(52.2% 0.0345 -0.1303)
OKLCH	oklch(52.2% 0.135 284.8)
XYZ	xyz(17.0210, 13.3888, 44.3265)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635BB3 #ABB35B

analogous

#5B7FB3 #635BB3 #8F5BB3

triadic

#635BB3 #B3635B #5BB363

tetradic

#635BB3 #B35B7F #ABB35B #5BB38F

square

#635BB3 #B35B7F #ABB35B #5BB38F

split-complementary

#635BB3 #B38F5B #7FB35B

monochromatic

#342F65 #49428F #635BB3 #8B85C6 #B3AFDA

Accessibility & contrast

On white

5.71

#635BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#635BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635BB3

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635BB3	#FFFFFF	#000000	##FFFFFF
##635BB3	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3669B6

Deuteranopia (green-blind)

#3364B1

Tritanopia (blue-blind)

#4A6D7E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #635bb3;
/* rgb */ color: rgb(99, 91, 179);
/* oklch */ color: oklch(52.2% 0.135 284.8);

Tailwind

colors: {
  custom: {
    50: '#9489ca',
    500: '#635bb3',
    950: '#000000',
  },
}

SCSS

$custom: #635bb3;
$custom-light: #9489ca;
$custom-dark: #000000;

JSON

{
  "hex": "#635bb3",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 245.455,
    "s": 36.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52197,
    "c": 0.13481,
    "h": 284.8
  },
  "luminance": 0.13389
}

Semantic roles & 50–950 ramp

primary

#635BB3

secondary

#C4C8A2

accent

#CD5BC2

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #635BB3

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

Preview Lab → · Contrast checker → · Palette generator →