#657CDF#657CDF

#657CDF is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.151 H 271.5°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#657CDF
RGB	rgb(101, 124, 223)
HSL	hsl(229, 66%, 64%)
HSV	hsv(229, 55%, 87%)
CMYK	cmyk(54.7%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(54.56, 19.97, -53.21)
CIE-LCH	lch(54.56, 56.83, 290.57°)
OKLab	oklab(61.57% 0.0039 -0.1514)
OKLCH	oklch(61.57% 0.151 271.5)
XYZ	xyz(25.8894, 22.5079, 72.7779)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CDF #DFC865

analogous

#65B9DF #657CDF #8B65DF

triadic

#657CDF #DF657C #7CDF65

tetradic

#657CDF #DF65B9 #DFC865 #65DF8B

square

#657CDF #DF65B9 #DFC865 #65DF8B

split-complementary

#657CDF #DF8B65 #B9DF65

monochromatic

#233CA7 #3251D4 #657CDF #98A7EA #CAD2F4

Accessibility & contrast

On white

3.82

#657CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#657CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CDF

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

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

#5088E3

Deuteranopia (green-blind)

#417EDD

Tritanopia (blue-blind)

#2292A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657cdf;
/* rgb */ color: rgb(101, 124, 223);
/* oklch */ color: oklch(61.6% 0.151 271.5);

Tailwind

colors: {
  custom: {
    50: '#99a1e9',
    500: '#657cdf',
    950: '#000000',
  },
}

SCSS

$custom: #657cdf;
$custom-light: #99a1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#657cdf",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 228.689,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.61565,
    "c": 0.15148,
    "h": 271.5
  },
  "luminance": 0.2251
}

Semantic roles & 50–950 ramp

primary

#657CDF

secondary

#E6DDBA

accent

#AB18CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #657CDF

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

Preview Lab → · Contrast checker → · Palette generator →