#657BE3#657BE3

#657BE3 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.158 H 272.0°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#657BE3
RGB	rgb(101, 123, 227)
HSL	hsl(230, 69%, 64%)
HSV	hsv(230, 56%, 89%)
CMYK	cmyk(55.5%, 45.8%, 0%, 11%)
CIE-LAB	lab(54.53, 21.86, -55.51)
CIE-LCH	lch(54.53, 59.65, 291.49°)
OKLab	oklab(61.61% 0.0056 -0.1582)
OKLCH	oklch(61.61% 0.158 272)
XYZ	xyz(26.3104, 22.4768, 75.6102)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE3 #E3CD65

analogous

#65BAE3 #657BE3 #8E65E3

triadic

#657BE3 #E3657B #7BE365

tetradic

#657BE3 #E365BA #E3CD65 #65E38E

square

#657BE3 #E365BA #E3CD65 #65E38E

split-complementary

#657BE3 #E38E65 #BAE365

monochromatic

#2038AE #314FDA #657BE3 #99A7EC #CDD4F6

Accessibility & contrast

On white

3.82

#657BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#657BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE3

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE3	#FFFFFF	#000000	##000000
##657BE3	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B88E7

Deuteranopia (green-blind)

#3B7DE1

Tritanopia (blue-blind)

#1B92A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657be3;
/* rgb */ color: rgb(101, 123, 227);
/* oklch */ color: oklch(61.6% 0.158 272.0);

Tailwind

colors: {
  custom: {
    50: '#9aa0ec',
    500: '#657be3',
    950: '#000000',
  },
}

SCSS

$custom: #657be3;
$custom-light: #9aa0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#657be3",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 227
  },
  "hsl": {
    "h": 229.524,
    "s": 69.231,
    "l": 64.314
  },
  "oklch": {
    "l": 0.61614,
    "c": 0.15828,
    "h": 272
  },
  "luminance": 0.22479
}

Semantic roles & 50–950 ramp

primary

#657BE3

secondary

#E8E0BC

accent

#B014D1

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657BE3

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

Preview Lab → · Contrast checker → · Palette generator →