#657CA4#657CA4

#657CA4 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.4% C 0.067 H 261.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#657CA4
RGB	rgb(101, 124, 164)
HSL	hsl(218, 26%, 52%)
HSV	hsv(218, 38%, 64%)
CMYK	cmyk(38.4%, 24.4%, 0%, 35.7%)
CIE-LAB	lab(51.68, 2.02, -24.04)
CIE-LCH	lch(51.68, 24.12, 274.81°)
OKLab	oklab(58.4% -0.0102 -0.0667)
OKLCH	oklch(58.4% 0.067 261.3)
XYZ	xyz(19.2733, 19.8614, 37.9329)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CA4 #A48D65

analogous

#659CA4 #657CA4 #6E65A4

triadic

#657CA4 #A4657C #7CA465

tetradic

#657CA4 #A4659C #A48D65 #65A46E

square

#657CA4 #A4659C #A48D65 #65A46E

split-complementary

#657CA4 #A46E65 #9CA465

monochromatic

#35425A #4C5F80 #657CA4 #8B9DBB #B2BDD1

Accessibility & contrast

On white

4.22

#657CA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#657CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CA4

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CA4	#FFFFFF	#000000	##000000
##657CA4	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA6

Deuteranopia (green-blind)

#6779A3

Tritanopia (blue-blind)

#51848A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ca4;
/* rgb */ color: rgb(101, 124, 164);
/* oklch */ color: oklch(58.4% 0.067 261.3);

Tailwind

colors: {
  custom: {
    50: '#93a1bf',
    500: '#657ca4',
    950: '#000000',
  },
}

SCSS

$custom: #657ca4;
$custom-light: #93a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#657ca4",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 164
  },
  "hsl": {
    "h": 218.095,
    "s": 25.714,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58396,
    "c": 0.06749,
    "h": 261.3
  },
  "luminance": 0.19862
}

Semantic roles & 50–950 ramp

primary

#657CA4

secondary

#C0B6A5

accent

#A066C2

background

#F9F9FB

surface

#F1F2F7

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CA4

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

Preview Lab → · Contrast checker → · Palette generator →