#657CE0#657CE0

#657CE0 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.153 H 271.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#657CE0
RGB	rgb(101, 124, 224)
HSL	hsl(229, 66%, 64%)
HSV	hsv(229, 55%, 88%)
CMYK	cmyk(54.9%, 44.6%, 0%, 12.2%)
CIE-LAB	lab(54.62, 20.29, -53.68)
CIE-LCH	lch(54.62, 57.39, 290.70°)
OKLab	oklab(61.63% 0.0041 -0.1528)
OKLCH	oklch(61.63% 0.153 271.5)
XYZ	xyz(26.0246, 22.5619, 73.4901)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CE0 #E0C965

analogous

#65B9E0 #657CE0 #8B65E0

triadic

#657CE0 #E0657C #7CE065

tetradic

#657CE0 #E065B9 #E0C965 #65E08B

square

#657CE0 #E065B9 #E0C965 #65E08B

split-complementary

#657CE0 #E08B65 #B9E065

monochromatic

#223BA9 #3251D6 #657CE0 #98A7EA #CBD3F5

Accessibility & contrast

On white

3.81

#657CE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#657CE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CE0

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CE0	#FFFFFF	#000000	##000000
##657CE0	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)

#5088E4

Deuteranopia (green-blind)

#407EDE

Tritanopia (blue-blind)

#2092A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657ce0;
/* rgb */ color: rgb(101, 124, 224);
/* oklch */ color: oklch(61.6% 0.153 271.5);

Tailwind

colors: {
  custom: {
    50: '#99a1ea',
    500: '#657ce0',
    950: '#000000',
  },
}

SCSS

$custom: #657ce0;
$custom-light: #99a1ea;
$custom-dark: #000000;

JSON

{
  "hex": "#657ce0",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 224
  },
  "hsl": {
    "h": 228.78,
    "s": 66.486,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61626,
    "c": 0.15286,
    "h": 271.5
  },
  "luminance": 0.22564
}

Semantic roles & 50–950 ramp

primary

#657CE0

secondary

#E6DEBB

accent

#AC17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #657CE0

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

Preview Lab → · Contrast checker → · Palette generator →