#657FFF#657FFF

#657FFF is a light, vivid blue. Relative luminance 0.252; OKLCH L 64.2% C 0.191 H 271.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#657FFF
RGB	rgb(101, 127, 255)
HSL	hsl(230, 100%, 70%)
HSV	hsv(230, 60%, 100%)
CMYK	cmyk(60.4%, 50.2%, 0%, 0%)
CIE-LAB	lab(57.23, 28.51, -66.71)
CIE-LCH	lch(57.23, 72.55, 293.14°)
OKLab	oklab(64.21% 0.0047 -0.1911)
OKLCH	oklch(64.21% 0.191 271.4)
XYZ	xyz(31.0002, 25.1629, 97.8116)
Luminance	0.2516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FFF #FFE565

analogous

#65CCFF #657FFF #9865FF

triadic

#657FFF #FF657F #7FFF65

tetradic

#657FFF #FF65CC #FFE565 #65FF98

square

#657FFF #FF65CC #FFE565 #65FF98

split-complementary

#657FFF #FF9865 #CCFF65

monochromatic

#0027EA #284CFF #657FFF #A2B2FF #DFE5FF

Accessibility & contrast

On white

3.48

#657FFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#657FFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FFF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FFF	#FFFFFF	#000000	##000000
##657FFF	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3790FF

Deuteranopia (green-blind)

#0883FC

Tritanopia (blue-blind)

#009DB3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #657fff;
/* rgb */ color: rgb(101, 127, 255);
/* oklch */ color: oklch(64.2% 0.191 271.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657fff",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 255
  },
  "hsl": {
    "h": 229.87,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.64207,
    "c": 0.19115,
    "h": 271.4
  },
  "luminance": 0.25165
}

Semantic roles & 50–950 ramp

primary

#657FFF

secondary

#F6EECA

accent

#BF00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #657FFF

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

Preview Lab → · Contrast checker → · Palette generator →