#657AA4#657AA4

#657AA4 is a mid, moderate blue. Relative luminance 0.194; OKLCH L 58.0% C 0.070 H 263.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#657AA4
RGB	rgb(101, 122, 164)
HSL	hsl(220, 26%, 52%)
HSV	hsv(220, 38%, 64%)
CMYK	cmyk(38.4%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(51.11, 3.21, -24.92)
CIE-LCH	lch(51.11, 25.12, 277.34°)
OKLab	oklab(57.95% -0.0075 -0.0692)
OKLCH	oklch(57.95% 0.07 263.8)
XYZ	xyz(19.0252, 19.3652, 37.8502)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AA4 #A48F65

analogous

#659AA4 #657AA4 #7065A4

triadic

#657AA4 #A4657A #7AA465

tetradic

#657AA4 #A4659A #A48F65 #65A470

square

#657AA4 #A4659A #A48F65 #65A470

split-complementary

#657AA4 #A47065 #9AA465

monochromatic

#35415A #4C5D80 #657AA4 #8B9BBB #B2BCD1

Accessibility & contrast

On white

4.31

#657AA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#657AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AA4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AA4	#FFFFFF	#000000	##000000
##657AA4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA6

Deuteranopia (green-blind)

#6577A3

Tritanopia (blue-blind)

#518388

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657aa4;
/* rgb */ color: rgb(101, 122, 164);
/* oklch */ color: oklch(58.0% 0.070 263.8);

Tailwind

colors: {
  custom: {
    50: '#93a0bf',
    500: '#657aa4',
    950: '#000000',
  },
}

SCSS

$custom: #657aa4;
$custom-light: #93a0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657aa4",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 220,
    "s": 25.714,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57951,
    "c": 0.06962,
    "h": 263.8
  },
  "luminance": 0.19366
}

Semantic roles & 50–950 ramp

primary

#657AA4

secondary

#C0B7A5

accent

#A366C2

background

#F9F9FB

surface

#F1F2F7

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657AA4

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

Preview Lab → · Contrast checker → · Palette generator →