#657EFE#657EFE

#657EFE is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.9% C 0.191 H 271.7°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#657EFE
RGB	rgb(101, 126, 254)
HSL	hsl(230, 99%, 70%)
HSV	hsv(230, 60%, 100%)
CMYK	cmyk(60.2%, 50.4%, 0%, 0.4%)
CIE-LAB	lab(56.92, 28.79, -66.67)
CIE-LCH	lch(56.92, 72.62, 293.36°)
OKLab	oklab(63.95% 0.0056 -0.191)
OKLCH	oklch(63.95% 0.191 271.7)
XYZ	xyz(30.7111, 24.8416, 96.9232)
Luminance	0.2484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EFE #FEE565

analogous

#65CBFE #657EFE #9965FE

triadic

#657EFE #FE657E #7EFE65

tetradic

#657EFE #FE65CB #FEE565 #65FE99

square

#657EFE #FE65CB #FEE565 #65FE99

split-complementary

#657EFE #FE9965 #CBFE65

monochromatic

#0227E7 #284BFE #657EFE #A2B1FE #DFE4FF

Accessibility & contrast

On white

3.52

#657EFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#657EFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EFE

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EFE	#FFFFFF	#000000	##000000
##657EFE	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3690FF

Deuteranopia (green-blind)

#0582FB

Tritanopia (blue-blind)

#009CB2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #657efe;
/* rgb */ color: rgb(101, 126, 254);
/* oklch */ color: oklch(63.9% 0.191 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ea3ff',
    500: '#657efe',
    950: '#000000',
  },
}

SCSS

$custom: #657efe;
$custom-light: #9ea3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#657efe",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 254
  },
  "hsl": {
    "h": 230.196,
    "s": 98.71,
    "l": 69.608
  },
  "oklch": {
    "l": 0.6395,
    "c": 0.19104,
    "h": 271.7
  },
  "luminance": 0.24844
}

Semantic roles & 50–950 ramp

primary

#657EFE

secondary

#F5EECA

accent

#C000E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #657EFE

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

Preview Lab → · Contrast checker → · Palette generator →