#657BA1#657BA1

#657BA1 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.0% C 0.064 H 261.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#657BA1
RGB	rgb(101, 123, 161)
HSL	hsl(218, 24%, 51%)
HSV	hsv(218, 37%, 63%)
CMYK	cmyk(37.3%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(51.27, 1.77, -22.92)
CIE-LCH	lch(51.27, 22.99, 274.42°)
OKLab	oklab(58.04% -0.0099 -0.0635)
OKLCH	oklch(58.04% 0.064 261.2)
XYZ	xyz(18.8808, 19.5049, 36.4813)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BA1 #A18B65

analogous

#6599A1 #657BA1 #6D65A1

triadic

#657BA1 #A1657B #7BA165

tetradic

#657BA1 #A16599 #A18B65 #65A16D

square

#657BA1 #A16599 #A18B65 #65A16D

split-complementary

#657BA1 #A16D65 #99A165

monochromatic

#354157 #4C5E7D #657BA1 #8B9CB8 #B1BCCF

Accessibility & contrast

On white

4.28

#657BA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#657BA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BA1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BA1	#FFFFFF	#000000	##000000
##657BA1	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#6778A0

Tritanopia (blue-blind)

#528388

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #657ba1;
/* rgb */ color: rgb(101, 123, 161);
/* oklch */ color: oklch(58.0% 0.064 261.2);

Tailwind

colors: {
  custom: {
    50: '#93a1bd',
    500: '#657ba1',
    950: '#000000',
  },
}

SCSS

$custom: #657ba1;
$custom-light: #93a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#657ba1",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 218,
    "s": 24.194,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58037,
    "c": 0.06428,
    "h": 261.2
  },
  "luminance": 0.19506
}

Semantic roles & 50–950 ramp

primary

#657BA1

secondary

#BEB4A4

accent

#A067C1

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #657BA1

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

Preview Lab → · Contrast checker → · Palette generator →