#657CA9#657CA9

#657CA9 is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.6% C 0.075 H 263.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#657CA9
RGB	rgb(101, 124, 169)
HSL	hsl(220, 28%, 53%)
HSV	hsv(220, 40%, 66%)
CMYK	cmyk(40.2%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(51.89, 3.45, -26.62)
CIE-LCH	lch(51.89, 26.84, 277.38°)
OKLab	oklab(58.63% -0.0086 -0.0741)
OKLCH	oklch(58.63% 0.075 263.4)
XYZ	xyz(19.7337, 20.0456, 40.3578)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CA9 #A99265

analogous

#659EA9 #657CA9 #7065A9

triadic

#657CA9 #A9657C #7CA965

tetradic

#657CA9 #A9659E #A99265 #65A970

square

#657CA9 #A9659E #A99265 #65A970

split-complementary

#657CA9 #A97065 #9EA965

monochromatic

#35435F #4B5F86 #657CA9 #8C9DBF #B4BFD5

Accessibility & contrast

On white

4.19

#657CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#657CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CA9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CA9	#FFFFFF	#000000	##000000
##657CA9	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAB

Deuteranopia (green-blind)

#6579A8

Tritanopia (blue-blind)

#4E858C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657ca9;
/* rgb */ color: rgb(101, 124, 169);
/* oklch */ color: oklch(58.6% 0.075 263.4);

Tailwind

colors: {
  custom: {
    50: '#93a1c2',
    500: '#657ca9',
    950: '#000000',
  },
}

SCSS

$custom: #657ca9;
$custom-light: #93a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#657ca9",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 219.706,
    "s": 28.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58627,
    "c": 0.07458,
    "h": 263.4
  },
  "luminance": 0.20047
}

Semantic roles & 50–950 ramp

primary

#657CA9

secondary

#C4BAA6

accent

#A463C5

background

#F9F9FB

surface

#F2F2F7

border

#CCCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CA9

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

Preview Lab → · Contrast checker → · Palette generator →