#657BE7#657BE7

#657BE7 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.9% C 0.164 H 272.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#657BE7
RGB	rgb(101, 123, 231)
HSL	hsl(230, 73%, 65%)
HSV	hsv(230, 56%, 91%)
CMYK	cmyk(56.3%, 46.8%, 0%, 9.4%)
CIE-LAB	lab(54.76, 23.14, -57.37)
CIE-LCH	lch(54.76, 61.86, 291.97°)
OKLab	oklab(61.87% 0.0061 -0.1637)
OKLCH	oklch(61.87% 0.164 272.1)
XYZ	xyz(26.8689, 22.7001, 78.5515)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE7 #E7D165

analogous

#65BCE7 #657BE7 #9065E7

triadic

#657BE7 #E7657B #7BE765

tetradic

#657BE7 #E765BC #E7D165 #65E790

square

#657BE7 #E765BC #E7D165 #65E790

split-complementary

#657BE7 #E79065 #BCE765

monochromatic

#1C36B5 #304EDF #657BE7 #9AA8EF #CFD6F8

Accessibility & contrast

On white

3.79

#657BE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#657BE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE7

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE7	#FFFFFF	#000000	##000000
##657BE7	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4889EB

Deuteranopia (green-blind)

#357EE5

Tritanopia (blue-blind)

#1093A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657be7;
/* rgb */ color: rgb(101, 123, 231);
/* oklch */ color: oklch(61.9% 0.164 272.1);

Tailwind

colors: {
  custom: {
    50: '#9aa0ef',
    500: '#657be7',
    950: '#000000',
  },
}

SCSS

$custom: #657be7;
$custom-light: #9aa0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#657be7",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 231
  },
  "hsl": {
    "h": 229.846,
    "s": 73.034,
    "l": 65.098
  },
  "oklch": {
    "l": 0.61866,
    "c": 0.16377,
    "h": 272.1
  },
  "luminance": 0.22702
}

Semantic roles & 50–950 ramp

primary

#657BE7

secondary

#EAE2BE

accent

#B410D5

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657BE7

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

Preview Lab → · Contrast checker → · Palette generator →