#658CEB#658CEB

#658CEB is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.148 H 265.7°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#658CEB
RGB	rgb(101, 140, 235)
HSL	hsl(223, 77%, 66%)
HSV	hsv(223, 57%, 92%)
CMYK	cmyk(57%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(59.45, 14.21, -52.11)
CIE-LCH	lch(59.45, 54.02, 285.25°)
OKLab	oklab(65.53% -0.0112 -0.1481)
OKLCH	oklch(65.53% 0.148 265.7)
XYZ	xyz(29.7352, 27.5186, 82.3258)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658CEB #EBC465

analogous

#65CFEB #658CEB #8165EB

triadic

#658CEB #EB658C #8CEB65

tetradic

#658CEB #EB65CF #EBC465 #65EB81

square

#658CEB #EB65CF #EBC465 #65EB81

split-complementary

#658CEB #EB8165 #CFEB65

monochromatic

#1948BD #2F64E4 #658CEB #9BB4F2 #D1DDF9

Accessibility & contrast

On white

3.23

#658CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#658CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658CEB

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658CEB	#FFFFFF	#000000	##000000
##658CEB	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396EF

Deuteranopia (green-blind)

#528AE9

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #658ceb;
/* rgb */ color: rgb(101, 140, 235);
/* oklch */ color: oklch(65.5% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#9aadf2',
    500: '#658ceb',
    950: '#000000',
  },
}

SCSS

$custom: #658ceb;
$custom-light: #9aadf2;
$custom-dark: #000000;

JSON

{
  "hex": "#658ceb",
  "rgb": {
    "r": 101,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 222.537,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65529,
    "c": 0.14849,
    "h": 265.7
  },
  "luminance": 0.27521
}

Semantic roles & 50–950 ramp

primary

#658CEB

secondary

#ECDFC0

accent

#9E0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658CEB

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

Preview Lab → · Contrast checker → · Palette generator →