#657CAA#657CAA

#657CAA is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.7% C 0.076 H 263.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#657CAA
RGB	rgb(101, 124, 170)
HSL	hsl(220, 29%, 53%)
HSV	hsv(220, 41%, 67%)
CMYK	cmyk(40.6%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(51.93, 3.73, -27.13)
CIE-LCH	lch(51.93, 27.38, 277.83°)
OKLab	oklab(58.68% -0.0083 -0.0756)
OKLCH	oklch(58.68% 0.076 263.7)
XYZ	xyz(19.8279, 20.0833, 40.8541)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CAA #AA9365

analogous

#659EAA #657CAA #7065AA

triadic

#657CAA #AA657C #7CAA65

tetradic

#657CAA #AA659E #AA9365 #65AA70

square

#657CAA #AA659E #AA9365 #65AA70

split-complementary

#657CAA #AA7065 #9EAA65

monochromatic

#354360 #4B5F87 #657CAA #8C9EC0 #B4BFD6

Accessibility & contrast

On white

4.19

#657CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#657CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CAA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CAA	#FFFFFF	#000000	##000000
##657CAA	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAC

Deuteranopia (green-blind)

#6579A9

Tritanopia (blue-blind)

#4E868C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657caa;
/* rgb */ color: rgb(101, 124, 170);
/* oklch */ color: oklch(58.7% 0.076 263.7);

Tailwind

colors: {
  custom: {
    50: '#93a1c3',
    500: '#657caa',
    950: '#000000',
  },
}

SCSS

$custom: #657caa;
$custom-light: #93a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#657caa",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 220,
    "s": 28.87,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58675,
    "c": 0.07601,
    "h": 263.7
  },
  "luminance": 0.20084
}

Semantic roles & 50–950 ramp

primary

#657CAA

secondary

#C4BAA7

accent

#A463C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CAA

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

Preview Lab → · Contrast checker → · Palette generator →