#657CD0#657CD0

#657CD0 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.7% C 0.130 H 270.6°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#657CD0
RGB	rgb(101, 124, 208)
HSL	hsl(227, 53%, 61%)
HSV	hsv(227, 51%, 82%)
CMYK	cmyk(51.4%, 40.4%, 0%, 18.4%)
CIE-LAB	lab(53.74, 15.21, -46.05)
CIE-LCH	lch(53.74, 48.50, 288.28°)
OKLab	oklab(60.67% 0.0013 -0.1304)
OKLCH	oklch(60.67% 0.13 270.6)
XYZ	xyz(23.9560, 21.7345, 62.5951)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CD0 #D0B965

analogous

#65B1D0 #657CD0 #8365D0

triadic

#657CD0 #D0657C #7CD065

tetradic

#657CD0 #D065B1 #D0B965 #65D083

square

#657CD0 #D065B1 #D0B965 #65D083

split-complementary

#657CD0 #D08365 #B1D065

monochromatic

#2C418F #3A56BE #657CD0 #94A4DE #C3CCED

Accessibility & contrast

On white

3.93

#657CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#657CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CD0

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CD0	#FFFFFF	#000000	##000000
##657CD0	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A85D3

Deuteranopia (green-blind)

#4F7CCE

Tritanopia (blue-blind)

#358E9C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657cd0;
/* rgb */ color: rgb(101, 124, 208);
/* oklch */ color: oklch(60.7% 0.130 270.6);

Tailwind

colors: {
  custom: {
    50: '#97a1df',
    500: '#657cd0',
    950: '#000000',
  },
}

SCSS

$custom: #657cd0;
$custom-light: #97a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#657cd0",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 208
  },
  "hsl": {
    "h": 227.103,
    "s": 53.234,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60673,
    "c": 0.13046,
    "h": 270.6
  },
  "luminance": 0.21736
}

Semantic roles & 50–950 ramp

primary

#657CD0

secondary

#DDD4B4

accent

#9F25C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657CD0

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

Preview Lab → · Contrast checker → · Palette generator →