#657BE5#657BE5

#657BE5 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.7% C 0.161 H 272.1°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#657BE5
RGB	rgb(101, 123, 229)
HSL	hsl(230, 71%, 65%)
HSV	hsv(230, 56%, 90%)
CMYK	cmyk(55.9%, 46.3%, 0%, 10.2%)
CIE-LAB	lab(54.65, 22.50, -56.44)
CIE-LCH	lch(54.65, 60.76, 291.73°)
OKLab	oklab(61.74% 0.0059 -0.1609)
OKLCH	oklch(61.74% 0.161 272.1)
XYZ	xyz(26.5880, 22.5878, 77.0723)
Luminance	0.2259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE5 #E5CF65

analogous

#65BBE5 #657BE5 #8F65E5

triadic

#657BE5 #E5657B #7BE565

tetradic

#657BE5 #E565BB #E5CF65 #65E58F

square

#657BE5 #E565BB #E5CF65 #65E58F

split-complementary

#657BE5 #E58F65 #BBE565

monochromatic

#1E37B2 #314EDC #657BE5 #99A8EE #CED5F7

Accessibility & contrast

On white

3.81

#657BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#657BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE5

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE5	#FFFFFF	#000000	##000000
##657BE5	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A89E9

Deuteranopia (green-blind)

#387DE3

Tritanopia (blue-blind)

#1693A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657be5;
/* rgb */ color: rgb(101, 123, 229);
/* oklch */ color: oklch(61.7% 0.161 272.1);

Tailwind

colors: {
  custom: {
    50: '#9aa0ee',
    500: '#657be5',
    950: '#000000',
  },
}

SCSS

$custom: #657be5;
$custom-light: #9aa0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#657be5",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 229
  },
  "hsl": {
    "h": 229.688,
    "s": 71.111,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61739,
    "c": 0.16103,
    "h": 272.1
  },
  "luminance": 0.2259
}

Semantic roles & 50–950 ramp

primary

#657BE5

secondary

#E9E1BD

accent

#B212D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657BE5

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

Preview Lab → · Contrast checker → · Palette generator →