#657CD3#657CD3

#657CD3 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.135 H 270.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#657CD3
RGB	rgb(101, 124, 211)
HSL	hsl(227, 56%, 61%)
HSV	hsv(227, 52%, 83%)
CMYK	cmyk(52.1%, 41.2%, 0%, 17.3%)
CIE-LAB	lab(53.90, 16.16, -47.50)
CIE-LCH	lch(53.90, 50.17, 288.79°)
OKLab	oklab(60.85% 0.0019 -0.1347)
OKLCH	oklch(60.85% 0.135 270.8)
XYZ	xyz(24.3285, 21.8835, 64.5573)
Luminance	0.2188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD3 #D3BC65

analogous

#65B3D3 #657CD3 #8565D3

triadic

#657CD3 #D3657C #7CD365

tetradic

#657CD3 #D365B3 #D3BC65 #65D385

square

#657CD3 #D365B3 #D3BC65 #65D385

split-complementary

#657CD3 #D38565 #B3D365

monochromatic

#2A4093 #3855C3 #657CD3 #95A4E1 #C4CDEE

Accessibility & contrast

On white

3.91

#657CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#657CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD3

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD3	#FFFFFF	#000000	##000000
##657CD3	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5886D6

Deuteranopia (green-blind)

#4C7CD1

Tritanopia (blue-blind)

#328F9D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657cd3;
/* rgb */ color: rgb(101, 124, 211);
/* oklch */ color: oklch(60.8% 0.135 270.8);

Tailwind

colors: {
  custom: {
    50: '#98a1e1',
    500: '#657cd3',
    950: '#000000',
  },
}

SCSS

$custom: #657cd3;
$custom-light: #98a1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd3",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 211
  },
  "hsl": {
    "h": 227.455,
    "s": 55.556,
    "l": 61.176
  },
  "oklch": {
    "l": 0.60847,
    "c": 0.13469,
    "h": 270.8
  },
  "luminance": 0.21885
}

Semantic roles & 50–950 ramp

primary

#657CD3

secondary

#DFD6B5

accent

#A122C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CD3

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

Preview Lab → · Contrast checker → · Palette generator →