#658CEE#658CEE

#658CEE is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.7% C 0.153 H 266.0°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#658CEE
RGB	rgb(101, 140, 238)
HSL	hsl(223, 80%, 66%)
HSV	hsv(223, 58%, 93%)
CMYK	cmyk(57.6%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(59.61, 15.17, -53.52)
CIE-LCH	lch(59.61, 55.63, 285.83°)
OKLab	oklab(65.7% -0.0107 -0.1522)
OKLCH	oklch(65.7% 0.153 266)
XYZ	xyz(30.1723, 27.6935, 84.6277)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658CEE #EEC765

analogous

#65D0EE #658CEE #8365EE

triadic

#658CEE #EE658C #8CEE65

tetradic

#658CEE #EE65D0 #EEC765 #65EE83

square

#658CEE #EE65D0 #EEC765 #65EE83

split-complementary

#658CEE #EE8365 #D0EE65

monochromatic

#1647C3 #2E63E8 #658CEE #9CB5F4 #D3DEFA

Accessibility & contrast

On white

3.21

#658CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#658CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658CEE

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658CEE	#FFFFFF	#000000	##000000
##658CEE	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4F8AEC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #658cee;
/* rgb */ color: rgb(101, 140, 238);
/* oklch */ color: oklch(65.7% 0.153 266.0);

Tailwind

colors: {
  custom: {
    50: '#9badf4',
    500: '#658cee',
    950: '#000000',
  },
}

SCSS

$custom: #658cee;
$custom-light: #9badf4;
$custom-dark: #000000;

JSON

{
  "hex": "#658cee",
  "rgb": {
    "r": 101,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 222.92,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65703,
    "c": 0.15255,
    "h": 266
  },
  "luminance": 0.27696
}

Semantic roles & 50–950 ramp

primary

#658CEE

secondary

#EEE1C1

accent

#A009DC

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658CEE

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

Preview Lab → · Contrast checker → · Palette generator →