#635FBB#635FBB

#635FBB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.140 H 282.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#635FBB
RGB	rgb(99, 95, 187)
HSL	hsl(243, 40%, 55%)
HSV	hsv(243, 49%, 73%)
CMYK	cmyk(47.1%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(44.84, 26.00, -48.20)
CIE-LCH	lch(44.84, 54.76, 298.34°)
OKLab	oklab(53.47% 0.0304 -0.137)
OKLCH	oklch(53.47% 0.14 282.5)
XYZ	xyz(18.2048, 14.4240, 48.8290)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635FBB #B7BB5F

analogous

#5F89BB #635FBB #915FBB

triadic

#635FBB #BB635F #5FBB63

tetradic

#635FBB #BB5F89 #B7BB5F #5FBB91

square

#635FBB #BB5F89 #B7BB5F #5FBB91

split-complementary

#635FBB #BB915F #89BB5F

monochromatic

#323070 #46429B #635FBB #8D8ACD #B7B5E0

Accessibility & contrast

On white

5.41

#635FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#635FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635FBB

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635FBB	#FFFFFF	#000000	##FFFFFF
##635FBB	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBE

Deuteranopia (green-blind)

#3167B9

Tritanopia (blue-blind)

#457384

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #635fbb;
/* rgb */ color: rgb(99, 95, 187);
/* oklch */ color: oklch(53.5% 0.140 282.5);

Tailwind

colors: {
  custom: {
    50: '#958cd0',
    500: '#635fbb',
    950: '#000000',
  },
}

SCSS

$custom: #635fbb;
$custom-light: #958cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#635fbb",
  "rgb": {
    "r": 99,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 242.609,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53474,
    "c": 0.14033,
    "h": 282.5
  },
  "luminance": 0.14425
}

Semantic roles & 50–950 ramp

primary

#635FBB

secondary

#CCCEA8

accent

#D058CB

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #635FBB

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

Preview Lab → · Contrast checker → · Palette generator →