#658BEF#658BEF

#658BEF is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.155 H 266.5°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#658BEF
RGB	rgb(101, 139, 239)
HSL	hsl(223, 81%, 67%)
HSV	hsv(223, 58%, 94%)
CMYK	cmyk(57.7%, 41.8%, 0%, 6.3%)
CIE-LAB	lab(59.40, 16.09, -54.41)
CIE-LCH	lch(59.40, 56.74, 286.48°)
OKLab	oklab(65.56% -0.0094 -0.1548)
OKLCH	oklch(65.56% 0.155 266.5)
XYZ	xyz(30.1742, 27.4615, 85.3551)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658BEF #EFC965

analogous

#65D0EF #658BEF #8465EF

triadic

#658BEF #EF658B #8BEF65

tetradic

#658BEF #EF65D0 #EFC965 #65EF84

square

#658BEF #EF65D0 #EFC965 #65EF84

split-complementary

#658BEF #EF8465 #D0EF65

monochromatic

#1445C5 #2E61E9 #658BEF #9CB5F5 #D4DFFB

Accessibility & contrast

On white

3.23

#658BEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#658BEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658BEF

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658BEF	#FFFFFF	#000000	##000000
##658BEF	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F96F3

Deuteranopia (green-blind)

#4C89ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #658bef;
/* rgb */ color: rgb(101, 139, 239);
/* oklch */ color: oklch(65.6% 0.155 266.5);

Tailwind

colors: {
  custom: {
    50: '#9bacf5',
    500: '#658bef',
    950: '#000000',
  },
}

SCSS

$custom: #658bef;
$custom-light: #9bacf5;
$custom-dark: #000000;

JSON

{
  "hex": "#658bef",
  "rgb": {
    "r": 101,
    "g": 139,
    "b": 239
  },
  "hsl": {
    "h": 223.478,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65558,
    "c": 0.15509,
    "h": 266.5
  },
  "luminance": 0.27464
}

Semantic roles & 50–950 ramp

primary

#658BEF

secondary

#EEE2C2

accent

#A308DE

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658BEF

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

Preview Lab → · Contrast checker → · Palette generator →