#657CA1#657CA1

#657CA1 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.3% C 0.063 H 259.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#657CA1
RGB	rgb(101, 124, 161)
HSL	hsl(217, 24%, 51%)
HSV	hsv(217, 37%, 63%)
CMYK	cmyk(37.3%, 23%, 0%, 36.9%)
CIE-LAB	lab(51.56, 1.18, -22.48)
CIE-LCH	lch(51.56, 22.51, 273.01°)
OKLab	oklab(58.26% -0.0112 -0.0623)
OKLCH	oklch(58.26% 0.063 259.8)
XYZ	xyz(19.0055, 19.7543, 36.5228)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CA1 #A18A65

analogous

#659AA1 #657CA1 #6C65A1

triadic

#657CA1 #A1657C #7CA165

tetradic

#657CA1 #A1659A #A18A65 #65A16C

square

#657CA1 #A1659A #A18A65 #65A16C

split-complementary

#657CA1 #A16C65 #9AA165

monochromatic

#354257 #4C5F7D #657CA1 #8B9CB8 #B1BDCF

Accessibility & contrast

On white

4.24

#657CA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#657CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CA1

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CA1	#FFFFFF	#000000	##000000
##657CA1	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA3

Deuteranopia (green-blind)

#6978A0

Tritanopia (blue-blind)

#528489

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #657ca1;
/* rgb */ color: rgb(101, 124, 161);
/* oklch */ color: oklch(58.3% 0.063 259.8);

Tailwind

colors: {
  custom: {
    50: '#93a1bd',
    500: '#657ca1',
    950: '#000000',
  },
}

SCSS

$custom: #657ca1;
$custom-light: #93a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#657ca1",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 217,
    "s": 24.194,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.06328,
    "h": 259.8
  },
  "luminance": 0.19755
}

Semantic roles & 50–950 ramp

primary

#657CA1

secondary

#BEB4A4

accent

#9E67C1

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #657CA1

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

Preview Lab → · Contrast checker → · Palette generator →