#657DE0#657DE0

#657DE0 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.8% C 0.152 H 271.1°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#657DE0
RGB	rgb(101, 125, 224)
HSL	hsl(228, 66%, 64%)
HSV	hsv(228, 55%, 88%)
CMYK	cmyk(54.9%, 44.2%, 0%, 12.2%)
CIE-LAB	lab(54.88, 19.68, -53.26)
CIE-LCH	lch(54.88, 56.78, 290.28°)
OKLab	oklab(61.83% 0.003 -0.1516)
OKLCH	oklch(61.83% 0.152 271.1)
XYZ	xyz(26.1506, 22.8139, 73.5320)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DE0 #E0C865

analogous

#65BAE0 #657DE0 #8A65E0

triadic

#657DE0 #E0657D #7DE065

tetradic

#657DE0 #E065BA #E0C865 #65E08A

square

#657DE0 #E065BA #E0C865 #65E08A

split-complementary

#657DE0 #E08A65 #BAE065

monochromatic

#223CA9 #3252D6 #657DE0 #98A8EA #CBD3F5

Accessibility & contrast

On white

3.77

#657DE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#657DE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DE0

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DE0	#FFFFFF	#000000	##000000
##657DE0	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5189E4

Deuteranopia (green-blind)

#427EDE

Tritanopia (blue-blind)

#2093A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657de0;
/* rgb */ color: rgb(101, 125, 224);
/* oklch */ color: oklch(61.8% 0.152 271.1);

Tailwind

colors: {
  custom: {
    50: '#99a2ea',
    500: '#657de0',
    950: '#000000',
  },
}

SCSS

$custom: #657de0;
$custom-light: #99a2ea;
$custom-dark: #000000;

JSON

{
  "hex": "#657de0",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 224
  },
  "hsl": {
    "h": 228.293,
    "s": 66.486,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61826,
    "c": 0.1516,
    "h": 271.1
  },
  "luminance": 0.22816
}

Semantic roles & 50–950 ramp

primary

#657DE0

secondary

#E6DEBB

accent

#AB17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #657DE0

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

Preview Lab → · Contrast checker → · Palette generator →