#6558F1#6558F1

#6558F1 is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.4% C 0.221 H 280.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#6558F1
RGB	rgb(101, 88, 241)
HSL	hsl(245, 85%, 65%)
HSV	hsv(245, 63%, 95%)
CMYK	cmyk(58.1%, 63.5%, 0%, 5.5%)
CIE-LAB	lab(47.10, 47.22, -75.37)
CIE-LCH	lch(47.10, 88.94, 302.07°)
OKLab	oklab(56.37% 0.04 -0.2168)
OKLCH	oklch(56.37% 0.221 280.5)
XYZ	xyz(24.7287, 16.0953, 85.0056)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6558F1 #E4F158

analogous

#5898F1 #6558F1 #B258F1

triadic

#6558F1 #F16558 #58F165

tetradic

#6558F1 #F15898 #E4F158 #58F1B2

square

#6558F1 #F15898 #E4F158 #58F1B2

split-complementary

#6558F1 #F1B258 #98F158

monochromatic

#1F10BF #3120EC #6558F1 #9990F6 #CDC9FA

Accessibility & contrast

On white

4.98

#6558F1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#6558F1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6558F1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6558F1	#FFFFFF	#000000	##FFFFFF
##6558F1	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F6

Deuteranopia (green-blind)

#006AEE

Tritanopia (blue-blind)

#007F9D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6558f1;
/* rgb */ color: rgb(101, 88, 241);
/* oklch */ color: oklch(56.4% 0.221 280.5);

Tailwind

colors: {
  custom: {
    50: '#9e88f7',
    500: '#6558f1',
    950: '#000000',
  },
}

SCSS

$custom: #6558f1;
$custom-light: #9e88f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6558f1",
  "rgb": {
    "r": 101,
    "g": 88,
    "b": 241
  },
  "hsl": {
    "h": 245.098,
    "s": 84.53,
    "l": 64.51
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.22051,
    "h": 280.5
  },
  "luminance": 0.16097
}

Semantic roles & 50–950 ramp

primary

#6558F1

secondary

#E8EDB8

accent

#E105CE

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6558F1

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

Preview Lab → · Contrast checker → · Palette generator →