#658DEE#658DEE

#658DEE is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.9% C 0.151 H 265.6°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#658DEE
RGB	rgb(101, 141, 238)
HSL	hsl(222, 80%, 66%)
HSV	hsv(222, 58%, 93%)
CMYK	cmyk(57.6%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.88, 14.58, -53.10)
CIE-LCH	lch(59.88, 55.06, 285.35°)
OKLab	oklab(65.91% -0.0117 -0.1509)
OKLCH	oklch(65.91% 0.151 265.6)
XYZ	xyz(30.3191, 27.9870, 84.6766)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658DEE #EEC665

analogous

#65D2EE #658DEE #8265EE

triadic

#658DEE #EE658D #8DEE65

tetradic

#658DEE #EE65D2 #EEC665 #65EE82

square

#658DEE #EE65D2 #EEC665 #65EE82

split-complementary

#658DEE #EE8265 #D2EE65

monochromatic

#1648C3 #2E64E8 #658DEE #9CB6F4 #D3DFFA

Accessibility & contrast

On white

3.18

#658DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#658DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658DEE

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658DEE	#FFFFFF	#000000	##000000
##658DEE	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F2

Deuteranopia (green-blind)

#518AEC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #658dee;
/* rgb */ color: rgb(101, 141, 238);
/* oklch */ color: oklch(65.9% 0.151 265.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#658dee",
  "rgb": {
    "r": 101,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 222.482,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65908,
    "c": 0.15138,
    "h": 265.6
  },
  "luminance": 0.2799
}

Semantic roles & 50–950 ramp

primary

#658DEE

secondary

#EEE1C1

accent

#9F09DC

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658DEE

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

Preview Lab → · Contrast checker → · Palette generator →