#657CEB#657CEB

#657CEB is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.3% C 0.168 H 271.9°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#657CEB
RGB	rgb(101, 124, 235)
HSL	hsl(230, 77%, 66%)
HSV	hsv(230, 57%, 92%)
CMYK	cmyk(57%, 47.2%, 0%, 7.8%)
CIE-LAB	lab(55.26, 23.83, -58.81)
CIE-LCH	lch(55.26, 63.46, 292.05°)
OKLab	oklab(62.32% 0.0056 -0.1679)
OKLCH	oklch(62.32% 0.168 271.9)
XYZ	xyz(27.5649, 23.1781, 81.6024)
Luminance	0.2318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CEB #EBD465

analogous

#65BFEB #657CEB #9165EB

triadic

#657CEB #EB657C #7CEB65

tetradic

#657CEB #EB65BF #EBD465 #65EB91

square

#657CEB #EB65BF #EBD465 #65EB91

split-complementary

#657CEB #EB9165 #BFEB65

monochromatic

#1935BD #2F4EE4 #657CEB #9BAAF2 #D1D8F9

Accessibility & contrast

On white

3.73

#657CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#657CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CEB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CEB	#FFFFFF	#000000	##000000
##657CEB	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468AEF

Deuteranopia (green-blind)

#327FE9

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657ceb;
/* rgb */ color: rgb(101, 124, 235);
/* oklch */ color: oklch(62.3% 0.168 271.9);

Tailwind

colors: {
  custom: {
    50: '#9ba1f2',
    500: '#657ceb',
    950: '#000000',
  },
}

SCSS

$custom: #657ceb;
$custom-light: #9ba1f2;
$custom-dark: #000000;

JSON

{
  "hex": "#657ceb",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 235
  },
  "hsl": {
    "h": 229.701,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62317,
    "c": 0.16798,
    "h": 271.9
  },
  "luminance": 0.2318
}

Semantic roles & 50–950 ramp

primary

#657CEB

secondary

#ECE4C0

accent

#B60CD9

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657CEB

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

Preview Lab → · Contrast checker → · Palette generator →