#657EFF#657EFF

#657EFF is a light, vivid blue. Relative luminance 0.249; OKLCH L 64.0% C 0.192 H 271.7°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#657EFF
RGB	rgb(101, 126, 255)
HSL	hsl(230, 100%, 70%)
HSV	hsv(230, 60%, 100%)
CMYK	cmyk(60.4%, 50.6%, 0%, 0%)
CIE-LAB	lab(56.98, 29.11, -67.12)
CIE-LCH	lch(56.98, 73.16, 293.45°)
OKLab	oklab(64.02% 0.0056 -0.1923)
OKLCH	oklch(64.02% 0.192 271.7)
XYZ	xyz(30.8717, 24.9059, 97.7688)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EFF #FFE665

analogous

#65CBFF #657EFF #9965FF

triadic

#657EFF #FF657E #7EFF65

tetradic

#657EFF #FF65CB #FFE665 #65FF99

square

#657EFF #FF65CB #FFE665 #65FF99

split-complementary

#657EFF #FF9965 #CBFF65

monochromatic

#0026EA #284BFF #657EFF #A2B1FF #DFE5FF

Accessibility & contrast

On white

3.51

#657EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#657EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EFF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EFF	#FFFFFF	#000000	##000000
##657EFF	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3490FF

Deuteranopia (green-blind)

#0082FC

Tritanopia (blue-blind)

#009CB3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #657eff;
/* rgb */ color: rgb(101, 126, 255);
/* oklch */ color: oklch(64.0% 0.192 271.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657eff",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 255
  },
  "hsl": {
    "h": 230.26,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.64018,
    "c": 0.19237,
    "h": 271.7
  },
  "luminance": 0.24908
}

Semantic roles & 50–950 ramp

primary

#657EFF

secondary

#F6EFCA

accent

#C000E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #657EFF

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

Preview Lab → · Contrast checker → · Palette generator →