#657AAA#657AAA

#657AAA is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.2% C 0.078 H 265.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#657AAA
RGB	rgb(101, 122, 170)
HSL	hsl(222, 29%, 53%)
HSV	hsv(222, 41%, 67%)
CMYK	cmyk(40.6%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(51.37, 4.92, -28.00)
CIE-LCH	lch(51.37, 28.43, 279.97°)
OKLab	oklab(58.24% -0.0056 -0.0781)
OKLCH	oklch(58.24% 0.078 265.9)
XYZ	xyz(19.5798, 19.5871, 40.7714)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AAA #AA9565

analogous

#659CAA #657AAA #7265AA

triadic

#657AAA #AA657A #7AAA65

tetradic

#657AAA #AA659C #AA9565 #65AA72

square

#657AAA #AA659C #AA9565 #65AA72

split-complementary

#657AAA #AA7265 #9CAA65

monochromatic

#354260 #4B5D87 #657AAA #8C9CC0 #B4BED6

Accessibility & contrast

On white

4.27

#657AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#657AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AAA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AAA	#FFFFFF	#000000	##000000
##657AAA	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAC

Deuteranopia (green-blind)

#6378A9

Tritanopia (blue-blind)

#4E848B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657aaa;
/* rgb */ color: rgb(101, 122, 170);
/* oklch */ color: oklch(58.2% 0.078 265.9);

Tailwind

colors: {
  custom: {
    50: '#93a0c3',
    500: '#657aaa',
    950: '#000000',
  },
}

SCSS

$custom: #657aaa;
$custom-light: #93a0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#657aaa",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 221.739,
    "s": 28.87,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58235,
    "c": 0.07827,
    "h": 265.9
  },
  "luminance": 0.19588
}

Semantic roles & 50–950 ramp

primary

#657AAA

secondary

#C4BBA7

accent

#A763C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657AAA

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

Preview Lab → · Contrast checker → · Palette generator →