#657BA3#657BA3

#657BA3 is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.1% C 0.067 H 262.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#657BA3
RGB	rgb(101, 123, 163)
HSL	hsl(219, 25%, 52%)
HSV	hsv(219, 38%, 64%)
CMYK	cmyk(38%, 24.5%, 0%, 36.1%)
CIE-LAB	lab(51.35, 2.33, -23.96)
CIE-LCH	lch(51.35, 24.07, 275.56°)
OKLab	oklab(58.13% -0.0092 -0.0665)
OKLCH	oklch(58.13% 0.067 262.1)
XYZ	xyz(19.0586, 19.5760, 37.4176)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BA3 #A38D65

analogous

#659AA3 #657BA3 #6E65A3

triadic

#657BA3 #A3657B #7BA365

tetradic

#657BA3 #A3659A #A38D65 #65A36E

square

#657BA3 #A3659A #A38D65 #65A36E

split-complementary

#657BA3 #A36E65 #9AA365

monochromatic

#354259 #4C5E7F #657BA3 #8B9CBA #B2BDD1

Accessibility & contrast

On white

4.27

#657BA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#657BA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BA3

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BA3	#FFFFFF	#000000	##000000
##657BA3	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)

#6D7EA5

Deuteranopia (green-blind)

#6778A2

Tritanopia (blue-blind)

#518389

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657ba3;
/* rgb */ color: rgb(101, 123, 163);
/* oklch */ color: oklch(58.1% 0.067 262.1);

Tailwind

colors: {
  custom: {
    50: '#93a1be',
    500: '#657ba3',
    950: '#000000',
  },
}

SCSS

$custom: #657ba3;
$custom-light: #93a1be;
$custom-dark: #000000;

JSON

{
  "hex": "#657ba3",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 163
  },
  "hsl": {
    "h": 218.71,
    "s": 25.203,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58127,
    "c": 0.06711,
    "h": 262.1
  },
  "luminance": 0.19577
}

Semantic roles & 50–950 ramp

primary

#657BA3

secondary

#C0B6A4

accent

#A166C2

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657BA3

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

Preview Lab → · Contrast checker → · Palette generator →