#657BD3#657BD3

#657BD3 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.6% C 0.136 H 271.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#657BD3
RGB	rgb(101, 123, 211)
HSL	hsl(228, 56%, 61%)
HSV	hsv(228, 52%, 83%)
CMYK	cmyk(52.1%, 41.7%, 0%, 17.3%)
CIE-LAB	lab(53.64, 16.76, -47.92)
CIE-LCH	lch(53.64, 50.77, 289.28°)
OKLab	oklab(60.64% 0.003 -0.1359)
OKLCH	oklch(60.64% 0.136 271.3)
XYZ	xyz(24.2038, 21.6341, 64.5158)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD3 #D3BD65

analogous

#65B2D3 #657BD3 #8665D3

triadic

#657BD3 #D3657B #7BD365

tetradic

#657BD3 #D365B2 #D3BD65 #65D386

square

#657BD3 #D365B2 #D3BD65 #65D386

split-complementary

#657BD3 #D38665 #B2D365

monochromatic

#2A3F93 #3854C3 #657BD3 #95A4E1 #C4CDEE

Accessibility & contrast

On white

3.94

#657BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#657BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD3

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD3	#FFFFFF	#000000	##000000
##657BD3	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5785D6

Deuteranopia (green-blind)

#4B7CD1

Tritanopia (blue-blind)

#328E9D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657bd3;
/* rgb */ color: rgb(101, 123, 211);
/* oklch */ color: oklch(60.6% 0.136 271.3);

Tailwind

colors: {
  custom: {
    50: '#98a0e1',
    500: '#657bd3',
    950: '#000000',
  },
}

SCSS

$custom: #657bd3;
$custom-light: #98a0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd3",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 211
  },
  "hsl": {
    "h": 228,
    "s": 55.556,
    "l": 61.176
  },
  "oklch": {
    "l": 0.60642,
    "c": 0.13596,
    "h": 271.3
  },
  "luminance": 0.21636
}

Semantic roles & 50–950 ramp

primary

#657BD3

secondary

#DFD6B5

accent

#A322C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BD3

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

Preview Lab → · Contrast checker → · Palette generator →