#6351CA#6351CA

#6351CA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 52.0% C 0.180 H 285.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#6351CA
RGB	rgb(99, 81, 202)
HSL	hsl(249, 53%, 55%)
HSV	hsv(249, 60%, 79%)
CMYK	cmyk(51%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(42.46, 39.05, -60.72)
CIE-LCH	lch(42.46, 72.20, 302.75°)
OKLab	oklab(52.03% 0.0468 -0.1739)
OKLCH	oklch(52.03% 0.18 285.1)
XYZ	xyz(18.7455, 12.8008, 57.3487)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6351CA #B8CA51

analogous

#517BCA #6351CA #A051CA

triadic

#6351CA #CA6351 #51CA63

tetradic

#6351CA #CA517B #B8CA51 #51CAA0

square

#6351CA #CA517B #B8CA51 #51CAA0

split-complementary

#6351CA #CAA051 #7BCA51

monochromatic

#32257B #4534AA #6351CA #8D80D8 #B7AFE7

Accessibility & contrast

On white

5.90

#6351CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#6351CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6351CA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6351CA	#FFFFFF	#000000	##FFFFFF
##6351CA	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CE

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#3C6D86

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #6351ca;
/* rgb */ color: rgb(99, 81, 202);
/* oklch */ color: oklch(52.0% 0.180 285.1);

Tailwind

colors: {
  custom: {
    50: '#9782db',
    500: '#6351ca',
    950: '#000000',
  },
}

SCSS

$custom: #6351ca;
$custom-light: #9782db;
$custom-dark: #000000;

JSON

{
  "hex": "#6351ca",
  "rgb": {
    "r": 99,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 248.926,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52025,
    "c": 0.18007,
    "h": 285.1
  },
  "luminance": 0.12802
}

Semantic roles & 50–950 ramp

primary

#6351CA

secondary

#CDD5A2

accent

#DD4BC7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #6351CA

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

Preview Lab → · Contrast checker → · Palette generator →