#657BD7#657BD7

#657BD7 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.142 H 271.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#657BD7
RGB	rgb(101, 123, 215)
HSL	hsl(228, 59%, 62%)
HSV	hsv(228, 53%, 84%)
CMYK	cmyk(53%, 42.8%, 0%, 15.7%)
CIE-LAB	lab(53.85, 18.03, -49.83)
CIE-LCH	lch(53.85, 53.00, 289.89°)
OKLab	oklab(60.88% 0.0037 -0.1415)
OKLCH	oklch(60.88% 0.142 271.5)
XYZ	xyz(24.7115, 21.8372, 67.1896)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD7 #D7C165

analogous

#65B4D7 #657BD7 #8865D7

triadic

#657BD7 #D7657B #7BD765

tetradic

#657BD7 #D765B4 #D7C165 #65D788

square

#657BD7 #D765B4 #D7C165 #65D788

split-complementary

#657BD7 #D78865 #B4D765

monochromatic

#283E9A #3551CA #657BD7 #96A5E4 #C6CEF0

Accessibility & contrast

On white

3.91

#657BD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#657BD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD7

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD7	#FFFFFF	#000000	##000000
##657BD7	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5486DB

Deuteranopia (green-blind)

#477CD5

Tritanopia (blue-blind)

#2D8F9E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657bd7;
/* rgb */ color: rgb(101, 123, 215);
/* oklch */ color: oklch(60.9% 0.142 271.5);

Tailwind

colors: {
  custom: {
    50: '#98a0e4',
    500: '#657bd7',
    950: '#000000',
  },
}

SCSS

$custom: #657bd7;
$custom-light: #98a0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd7",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 215
  },
  "hsl": {
    "h": 228.421,
    "s": 58.763,
    "l": 61.961
  },
  "oklch": {
    "l": 0.60879,
    "c": 0.14159,
    "h": 271.5
  },
  "luminance": 0.21839
}

Semantic roles & 50–950 ramp

primary

#657BD7

secondary

#E1D9B7

accent

#A61FC6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E15

muted

#7E7E84

Preview Lab

Preview with #657BD7

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

Preview Lab → · Contrast checker → · Palette generator →