#657BE4#657BE4

#657BE4 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.7% C 0.160 H 272.1°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#657BE4
RGB	rgb(101, 123, 228)
HSL	hsl(230, 70%, 65%)
HSV	hsv(230, 56%, 89%)
CMYK	cmyk(55.7%, 46.1%, 0%, 10.6%)
CIE-LAB	lab(54.59, 22.18, -55.97)
CIE-LCH	lch(54.59, 60.21, 291.61°)
OKLab	oklab(61.68% 0.0057 -0.1595)
OKLCH	oklch(61.68% 0.16 272.1)
XYZ	xyz(26.4488, 22.5321, 76.3391)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE4 #E4CE65

analogous

#65BBE4 #657BE4 #8E65E4

triadic

#657BE4 #E4657B #7BE465

tetradic

#657BE4 #E465BB #E4CE65 #65E48E

square

#657BE4 #E465BB #E4CE65 #65E48E

split-complementary

#657BE4 #E48E65 #BBE465

monochromatic

#1F38B0 #314EDB #657BE4 #99A8ED #CDD4F6

Accessibility & contrast

On white

3.81

#657BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#657BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE4

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE4	#FFFFFF	#000000	##000000
##657BE4	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A88E8

Deuteranopia (green-blind)

#397DE2

Tritanopia (blue-blind)

#1992A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657be4;
/* rgb */ color: rgb(101, 123, 228);
/* oklch */ color: oklch(61.7% 0.160 272.1);

Tailwind

colors: {
  custom: {
    50: '#9aa0ed',
    500: '#657be4',
    950: '#000000',
  },
}

SCSS

$custom: #657be4;
$custom-light: #9aa0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#657be4",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 228
  },
  "hsl": {
    "h": 229.606,
    "s": 70.166,
    "l": 64.51
  },
  "oklch": {
    "l": 0.61676,
    "c": 0.15965,
    "h": 272.1
  },
  "luminance": 0.22534
}

Semantic roles & 50–950 ramp

primary

#657BE4

secondary

#E8E1BC

accent

#B113D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657BE4

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

Preview Lab → · Contrast checker → · Palette generator →