#657EE4#657EE4

#657EE4 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.3% C 0.156 H 270.9°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#657EE4
RGB	rgb(101, 126, 228)
HSL	hsl(228, 70%, 65%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(55.7%, 44.7%, 0%, 10.6%)
CIE-LAB	lab(55.37, 20.36, -54.72)
CIE-LCH	lch(55.37, 58.39, 290.41°)
OKLab	oklab(62.27% 0.0025 -0.1559)
OKLCH	oklch(62.27% 0.156 270.9)
XYZ	xyz(26.8267, 23.2879, 76.4651)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EE4 #E4CB65

analogous

#65BEE4 #657EE4 #8C65E4

triadic

#657EE4 #E4657E #7EE465

tetradic

#657EE4 #E465BE #E4CB65 #65E48C

square

#657EE4 #E465BE #E4CB65 #65E48C

split-complementary

#657EE4 #E48C65 #BEE465

monochromatic

#1F3BB0 #3152DB #657EE4 #99AAED #CDD5F6

Accessibility & contrast

On white

3.71

#657EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#657EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EE4

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EE4	#FFFFFF	#000000	##000000
##657EE4	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508AE8

Deuteranopia (green-blind)

#407FE2

Tritanopia (blue-blind)

#1795A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657ee4;
/* rgb */ color: rgb(101, 126, 228);
/* oklch */ color: oklch(62.3% 0.156 270.9);

Tailwind

colors: {
  custom: {
    50: '#9aa3ed',
    500: '#657ee4',
    950: '#000000',
  },
}

SCSS

$custom: #657ee4;
$custom-light: #9aa3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#657ee4",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 228
  },
  "hsl": {
    "h": 228.189,
    "s": 70.166,
    "l": 64.51
  },
  "oklch": {
    "l": 0.62271,
    "c": 0.15588,
    "h": 270.9
  },
  "luminance": 0.2329
}

Semantic roles & 50–950 ramp

primary

#657EE4

secondary

#E8E0BC

accent

#AD13D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0F16

muted

#7F7E84

Preview Lab

Preview with #657EE4

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

Preview Lab → · Contrast checker → · Palette generator →