#553BF2#553BF2

#553BF2 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 51.3% C 0.254 H 278.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#553BF2
RGB	rgb(85, 59, 242)
HSL	hsl(249, 88%, 59%)
HSV	hsv(249, 76%, 95%)
CMYK	cmyk(64.9%, 75.6%, 0%, 5.1%)
CIE-LAB	lab(40.36, 60.93, -87.04)
CIE-LCH	lch(40.36, 106.25, 304.99°)
OKLab	oklab(51.27% 0.0395 -0.2514)
OKLCH	oklch(51.27% 0.254 278.9)
XYZ	xyz(21.3321, 11.4683, 85.0766)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553BF2 #D8F23B

analogous

#3B7CF2 #553BF2 #B13BF2

triadic

#553BF2 #F2553B #3BF255

tetradic

#553BF2 #F23B7C #D8F23B #3BF2B1

square

#553BF2 #F23B7C #D8F23B #3BF2B1

split-complementary

#553BF2 #F2B13B #7CF23B

monochromatic

#210BA7 #2D0FE1 #553BF2 #8774F6 #B9AEFA

Accessibility & contrast

On white

6.38

#553BF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#553BF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553BF2

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553BF2	#FFFFFF	#000000	##FFFFFF
##553BF2	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066F7

Deuteranopia (green-blind)

#0058EF

Tritanopia (blue-blind)

#007195

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #553bf2;
/* rgb */ color: rgb(85, 59, 242);
/* oklch */ color: oklch(51.3% 0.254 278.9);

Tailwind

colors: {
  custom: {
    50: '#9875f8',
    500: '#553bf2',
    950: '#000000',
  },
}

SCSS

$custom: #553bf2;
$custom-light: #9875f8;
$custom-dark: #000000;

JSON

{
  "hex": "#553bf2",
  "rgb": {
    "r": 85,
    "g": 59,
    "b": 242
  },
  "hsl": {
    "h": 248.525,
    "s": 87.56,
    "l": 59.02
  },
  "oklch": {
    "l": 0.51273,
    "c": 0.25444,
    "h": 278.9
  },
  "luminance": 0.1147
}

Semantic roles & 50–950 ramp

primary

#553BF2

secondary

#DEE8A0

accent

#FE2AE0

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100917

muted

#7F7B85

Preview Lab

Preview with #553BF2

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

Preview Lab → · Contrast checker → · Palette generator →