#657AA3#657AA3

#657AA3 is a mid, moderate blue. Relative luminance 0.193; OKLCH L 57.9% C 0.068 H 263.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#657AA3
RGB	rgb(101, 122, 163)
HSL	hsl(220, 25%, 52%)
HSV	hsv(220, 38%, 64%)
CMYK	cmyk(38%, 25.2%, 0%, 36.1%)
CIE-LAB	lab(51.07, 2.93, -24.40)
CIE-LCH	lch(51.07, 24.57, 276.84°)
OKLab	oklab(57.9% -0.0078 -0.0677)
OKLCH	oklch(57.9% 0.068 263.4)
XYZ	xyz(18.9352, 19.3292, 37.3764)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AA3 #A38E65

analogous

#6599A3 #657AA3 #6F65A3

triadic

#657AA3 #A3657A #7AA365

tetradic

#657AA3 #A36599 #A38E65 #65A36F

square

#657AA3 #A36599 #A38E65 #65A36F

split-complementary

#657AA3 #A36F65 #99A365

monochromatic

#354159 #4C5D7F #657AA3 #8B9BBA #B2BCD1

Accessibility & contrast

On white

4.32

#657AA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#657AA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AA3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AA3	#FFFFFF	#000000	##000000
##657AA3	1.00	4.32	4.87	4.87
#FFFFFF	4.32	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)

#6C7DA5

Deuteranopia (green-blind)

#6677A2

Tritanopia (blue-blind)

#518288

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657aa3;
/* rgb */ color: rgb(101, 122, 163);
/* oklch */ color: oklch(57.9% 0.068 263.4);

Tailwind

colors: {
  custom: {
    50: '#93a0be',
    500: '#657aa3',
    950: '#000000',
  },
}

SCSS

$custom: #657aa3;
$custom-light: #93a0be;
$custom-dark: #000000;

JSON

{
  "hex": "#657aa3",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 219.677,
    "s": 25.203,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57905,
    "c": 0.06818,
    "h": 263.4
  },
  "luminance": 0.1933
}

Semantic roles & 50–950 ramp

primary

#657AA3

secondary

#C0B6A4

accent

#A366C2

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657AA3

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

Preview Lab → · Contrast checker → · Palette generator →