#657CFF#657CFF

#657CFF is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.6% C 0.195 H 272.2°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#657CFF
RGB	rgb(101, 124, 255)
HSL	hsl(231, 100%, 70%)
HSV	hsv(231, 60%, 100%)
CMYK	cmyk(60.4%, 51.4%, 0%, 0%)
CIE-LAB	lab(56.49, 30.32, -67.92)
CIE-LCH	lch(56.49, 74.38, 294.06°)
OKLab	oklab(63.64% 0.0075 -0.1947)
OKLCH	oklch(63.64% 0.195 272.2)
XYZ	xyz(30.6185, 24.3995, 97.6844)
Luminance	0.2440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CFF #FFE865

analogous

#65C9FF #657CFF #9B65FF

triadic

#657CFF #FF657C #7CFF65

tetradic

#657CFF #FF65C9 #FFE865 #65FF9B

square

#657CFF #FF65C9 #FFE865 #65FF9B

split-complementary

#657CFF #FF9B65 #C9FF65

monochromatic

#0023EA #2848FF #657CFF #A2B0FF #DFE4FF

Accessibility & contrast

On white

3.57

#657CFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#657CFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CFF

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CFF	#FFFFFF	#000000	##000000
##657CFF	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E8FFF

Deuteranopia (green-blind)

#0081FC

Tritanopia (blue-blind)

#009AB2

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657cff;
/* rgb */ color: rgb(101, 124, 255);
/* oklch */ color: oklch(63.6% 0.195 272.2);

Tailwind

colors: {
  custom: {
    50: '#9ea1ff',
    500: '#657cff',
    950: '#000000',
  },
}

SCSS

$custom: #657cff;
$custom-light: #9ea1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#657cff",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 255
  },
  "hsl": {
    "h": 231.039,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.63642,
    "c": 0.19481,
    "h": 272.2
  },
  "luminance": 0.24402
}

Semantic roles & 50–950 ramp

primary

#657CFF

secondary

#F6EFCA

accent

#C300E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100F18

muted

#7F7E86

Preview Lab

Preview with #657CFF

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

Preview Lab → · Contrast checker → · Palette generator →