#657EFB#657EFB

#657EFB is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.7% C 0.187 H 271.6°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#657EFB
RGB	rgb(101, 126, 251)
HSL	hsl(230, 95%, 69%)
HSV	hsv(230, 60%, 98%)
CMYK	cmyk(59.8%, 49.8%, 0%, 1.6%)
CIE-LAB	lab(56.73, 27.81, -65.31)
CIE-LCH	lch(56.73, 70.99, 293.06°)
OKLab	oklab(63.75% 0.0053 -0.187)
OKLCH	oklch(63.75% 0.187 271.6)
XYZ	xyz(30.2345, 24.6510, 94.4129)
Luminance	0.2465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EFB #FBE265

analogous

#65C9FB #657EFB #9765FB

triadic

#657EFB #FB657E #7EFB65

tetradic

#657EFB #FB65C9 #FBE265 #65FB97

square

#657EFB #FB65C9 #FBE265 #65FB97

split-complementary

#657EFB #FB9765 #C9FB65

monochromatic

#062AE0 #294CF9 #657EFB #A1B0FD #DCE2FE

Accessibility & contrast

On white

3.54

#657EFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#657EFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EFB

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EFB	#FFFFFF	#000000	##000000
##657EFB	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A8FFF

Deuteranopia (green-blind)

#1582F8

Tritanopia (blue-blind)

#009BB1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #657efb;
/* rgb */ color: rgb(101, 126, 251);
/* oklch */ color: oklch(63.7% 0.187 271.6);

Tailwind

colors: {
  custom: {
    50: '#9da3fd',
    500: '#657efb',
    950: '#000000',
  },
}

SCSS

$custom: #657efb;
$custom-light: #9da3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#657efb",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 251
  },
  "hsl": {
    "h": 230,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.63749,
    "c": 0.18705,
    "h": 271.6
  },
  "luminance": 0.24653
}

Semantic roles & 50–950 ramp

primary

#657EFB

secondary

#F4EDC8

accent

#BF00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #657EFB

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

Preview Lab → · Contrast checker → · Palette generator →