#658FEF#658FEF

#658FEF is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.150 H 264.8°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#658FEF
RGB	rgb(101, 143, 239)
HSL	hsl(222, 81%, 67%)
HSV	hsv(222, 58%, 94%)
CMYK	cmyk(57.7%, 40.2%, 0%, 6.3%)
CIE-LAB	lab(60.46, 13.71, -52.72)
CIE-LCH	lch(60.46, 54.47, 284.58°)
OKLab	oklab(66.38% -0.0136 -0.1498)
OKLCH	oklch(66.38% 0.15 264.8)
XYZ	xyz(30.7640, 28.6411, 85.5517)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658FEF #EFC565

analogous

#65D4EF #658FEF #8065EF

triadic

#658FEF #EF658F #8FEF65

tetradic

#658FEF #EF65D4 #EFC565 #65EF80

square

#658FEF #EF65D4 #EFC565 #65EF80

split-complementary

#658FEF #EF8065 #D4EF65

monochromatic

#144AC5 #2E67E9 #658FEF #9CB7F5 #D4E0FB

Accessibility & contrast

On white

3.12

#658FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#658FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658FEF

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658FEF	#FFFFFF	#000000	##000000
##658FEF	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6699F3

Deuteranopia (green-blind)

#538CED

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #658fef;
/* rgb */ color: rgb(101, 143, 239);
/* oklch */ color: oklch(66.4% 0.150 264.8);

Tailwind

colors: {
  custom: {
    50: '#9baff5',
    500: '#658fef',
    950: '#000000',
  },
}

SCSS

$custom: #658fef;
$custom-light: #9baff5;
$custom-dark: #000000;

JSON

{
  "hex": "#658fef",
  "rgb": {
    "r": 101,
    "g": 143,
    "b": 239
  },
  "hsl": {
    "h": 221.739,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66378,
    "c": 0.15042,
    "h": 264.8
  },
  "luminance": 0.28644
}

Semantic roles & 50–950 ramp

primary

#658FEF

secondary

#EEE1C2

accent

#9D08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658FEF

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

Preview Lab → · Contrast checker → · Palette generator →