#657BD2#657BD2

#657BD2 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.6% C 0.135 H 271.2°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#657BD2
RGB	rgb(101, 123, 210)
HSL	hsl(228, 55%, 61%)
HSV	hsv(228, 52%, 82%)
CMYK	cmyk(51.9%, 41.4%, 0%, 17.6%)
CIE-LAB	lab(53.58, 16.45, -47.44)
CIE-LCH	lch(53.58, 50.21, 289.12°)
OKLab	oklab(60.58% 0.0028 -0.1345)
OKLCH	oklch(60.58% 0.135 271.2)
XYZ	xyz(24.0789, 21.5842, 63.8576)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD2 #D2BC65

analogous

#65B1D2 #657BD2 #8565D2

triadic

#657BD2 #D2657B #7BD265

tetradic

#657BD2 #D265B1 #D2BC65 #65D285

square

#657BD2 #D265B1 #D2BC65 #65D285

split-complementary

#657BD2 #D28565 #B1D265

monochromatic

#2B3F92 #3854C1 #657BD2 #94A4E0 #C4CCEE

Accessibility & contrast

On white

3.95

#657BD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#657BD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD2	#FFFFFF	#000000	##000000
##657BD2	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5785D5

Deuteranopia (green-blind)

#4C7CD0

Tritanopia (blue-blind)

#338E9C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657bd2;
/* rgb */ color: rgb(101, 123, 210);
/* oklch */ color: oklch(60.6% 0.135 271.2);

Tailwind

colors: {
  custom: {
    50: '#98a0e0',
    500: '#657bd2',
    950: '#000000',
  },
}

SCSS

$custom: #657bd2;
$custom-light: #98a0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd2",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 210
  },
  "hsl": {
    "h": 227.89,
    "s": 54.774,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60584,
    "c": 0.13455,
    "h": 271.2
  },
  "luminance": 0.21586
}

Semantic roles & 50–950 ramp

primary

#657BD2

secondary

#DED6B5

accent

#A223C2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BD2

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

Preview Lab → · Contrast checker → · Palette generator →