#657CD1#657CD1

#657CD1 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.132 H 270.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#657CD1
RGB	rgb(101, 124, 209)
HSL	hsl(227, 54%, 61%)
HSV	hsv(227, 52%, 82%)
CMYK	cmyk(51.7%, 40.7%, 0%, 18%)
CIE-LAB	lab(53.80, 15.53, -46.53)
CIE-LCH	lch(53.80, 49.06, 288.45°)
OKLab	oklab(60.73% 0.0015 -0.1319)
OKLCH	oklch(60.73% 0.132 270.7)
XYZ	xyz(24.0794, 21.7838, 63.2451)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD1 #D1BA65

analogous

#65B2D1 #657CD1 #8465D1

triadic

#657CD1 #D1657C #7CD165

tetradic

#657CD1 #D165B2 #D1BA65 #65D184

square

#657CD1 #D165B2 #D1BA65 #65D184

split-complementary

#657CD1 #D18465 #B2D165

monochromatic

#2B4190 #3956C0 #657CD1 #94A4DF #C3CCED

Accessibility & contrast

On white

3.92

#657CD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#657CD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD1

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD1	#FFFFFF	#000000	##000000
##657CD1	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A86D4

Deuteranopia (green-blind)

#4E7CCF

Tritanopia (blue-blind)

#348E9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657cd1;
/* rgb */ color: rgb(101, 124, 209);
/* oklch */ color: oklch(60.7% 0.132 270.7);

Tailwind

colors: {
  custom: {
    50: '#97a1df',
    500: '#657cd1',
    950: '#000000',
  },
}

SCSS

$custom: #657cd1;
$custom-light: #97a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd1",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 209
  },
  "hsl": {
    "h": 227.222,
    "s": 54,
    "l": 60.784
  },
  "oklch": {
    "l": 0.6073,
    "c": 0.13187,
    "h": 270.7
  },
  "luminance": 0.21785
}

Semantic roles & 50–950 ramp

primary

#657CD1

secondary

#DDD5B4

accent

#A024C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CD1

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

Preview Lab → · Contrast checker → · Palette generator →