#657BDE#657BDE

#657BDE is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.3% C 0.151 H 271.8°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#657BDE
RGB	rgb(101, 123, 222)
HSL	hsl(229, 65%, 63%)
HSV	hsv(229, 55%, 87%)
CMYK	cmyk(54.5%, 44.6%, 0%, 12.9%)
CIE-LAB	lab(54.24, 20.26, -53.16)
CIE-LCH	lch(54.24, 56.88, 290.86°)
OKLab	oklab(61.3% 0.0049 -0.1513)
OKLCH	oklch(61.3% 0.151 271.8)
XYZ	xyz(25.6303, 22.2047, 72.0284)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BDE #DEC865

analogous

#65B7DE #657BDE #8B65DE

triadic

#657BDE #DE657B #7BDE65

tetradic

#657BDE #DE65B7 #DEC865 #65DE8B

square

#657BDE #DE65B7 #DEC865 #65DE8B

split-complementary

#657BDE #DE8B65 #B7DE65

monochromatic

#233BA5 #3350D3 #657BDE #97A6E9 #CAD1F4

Accessibility & contrast

On white

3.86

#657BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#657BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BDE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BDE	#FFFFFF	#000000	##000000
##657BDE	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F87E2

Deuteranopia (green-blind)

#407DDC

Tritanopia (blue-blind)

#2491A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657bde;
/* rgb */ color: rgb(101, 123, 222);
/* oklch */ color: oklch(61.3% 0.151 271.8);

Tailwind

colors: {
  custom: {
    50: '#99a0e9',
    500: '#657bde',
    950: '#000000',
  },
}

SCSS

$custom: #657bde;
$custom-light: #99a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#657bde",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 222
  },
  "hsl": {
    "h": 229.091,
    "s": 64.706,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61303,
    "c": 0.15136,
    "h": 271.8
  },
  "luminance": 0.22207
}

Semantic roles & 50–950 ramp

primary

#657BDE

secondary

#E5DDBA

accent

#AC19CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #657BDE

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

Preview Lab → · Contrast checker → · Palette generator →