#657CFE#657CFE

#657CFE is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.6% C 0.193 H 272.2°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#657CFE
RGB	rgb(101, 124, 254)
HSL	hsl(231, 99%, 70%)
HSV	hsv(231, 60%, 100%)
CMYK	cmyk(60.2%, 51.2%, 0%, 0.4%)
CIE-LAB	lab(56.42, 29.99, -67.47)
CIE-LCH	lch(56.42, 73.84, 293.97°)
OKLab	oklab(63.57% 0.0074 -0.1933)
OKLCH	oklch(63.57% 0.193 272.2)
XYZ	xyz(30.4579, 24.3353, 96.8388)
Luminance	0.2434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CFE #FEE765

analogous

#65C9FE #657CFE #9A65FE

triadic

#657CFE #FE657C #7CFE65

tetradic

#657CFE #FE65C9 #FEE765 #65FE9A

square

#657CFE #FE65C9 #FEE765 #65FE9A

split-complementary

#657CFE #FE9A65 #C9FE65

monochromatic

#0224E7 #2848FE #657CFE #A2B0FE #DFE3FF

Accessibility & contrast

On white

3.58

#657CFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#657CFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CFE

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CFE	#FFFFFF	#000000	##000000
##657CFE	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F8EFF

Deuteranopia (green-blind)

#0081FB

Tritanopia (blue-blind)

#009AB1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657cfe;
/* rgb */ color: rgb(101, 124, 254);
/* oklch */ color: oklch(63.6% 0.193 272.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#657cfe",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 254
  },
  "hsl": {
    "h": 230.98,
    "s": 98.71,
    "l": 69.608
  },
  "oklch": {
    "l": 0.63574,
    "c": 0.19349,
    "h": 272.2
  },
  "luminance": 0.24338
}

Semantic roles & 50–950 ramp

primary

#657CFE

secondary

#F5EFCA

accent

#C300E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100F18

muted

#7F7E86

Preview Lab

Preview with #657CFE

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

Preview Lab → · Contrast checker → · Palette generator →