#657BE0#657BE0

#657BE0 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.4% C 0.154 H 271.9°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#657BE0
RGB	rgb(101, 123, 224)
HSL	hsl(229, 66%, 64%)
HSV	hsv(229, 55%, 88%)
CMYK	cmyk(54.9%, 45.1%, 0%, 12.2%)
CIE-LAB	lab(54.36, 20.89, -54.10)
CIE-LCH	lch(54.36, 57.99, 291.12°)
OKLab	oklab(61.43% 0.0052 -0.154)
OKLCH	oklch(61.43% 0.154 271.9)
XYZ	xyz(25.8999, 22.3126, 73.4485)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE0 #E0CA65

analogous

#65B8E0 #657BE0 #8C65E0

triadic

#657BE0 #E0657B #7BE065

tetradic

#657BE0 #E065B8 #E0CA65 #65E08C

square

#657BE0 #E065B8 #E0CA65 #65E08C

split-complementary

#657BE0 #E08C65 #B8E065

monochromatic

#223AA9 #324FD6 #657BE0 #98A7EA #CBD2F5

Accessibility & contrast

On white

3.84

#657BE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#657BE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE0

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE0	#FFFFFF	#000000	##000000
##657BE0	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E88E4

Deuteranopia (green-blind)

#3E7DDE

Tritanopia (blue-blind)

#2191A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657be0;
/* rgb */ color: rgb(101, 123, 224);
/* oklch */ color: oklch(61.4% 0.154 271.9);

Tailwind

colors: {
  custom: {
    50: '#99a0ea',
    500: '#657be0',
    950: '#000000',
  },
}

SCSS

$custom: #657be0;
$custom-light: #99a0ea;
$custom-dark: #000000;

JSON

{
  "hex": "#657be0",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 224
  },
  "hsl": {
    "h": 229.268,
    "s": 66.486,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61427,
    "c": 0.15414,
    "h": 271.9
  },
  "luminance": 0.22314
}

Semantic roles & 50–950 ramp

primary

#657BE0

secondary

#E6DEBB

accent

#AE17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #657BE0

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

Preview Lab → · Contrast checker → · Palette generator →