#657BD9#657BD9

#657BD9 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.0% C 0.144 H 271.6°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#657BD9
RGB	rgb(101, 123, 217)
HSL	hsl(229, 60%, 62%)
HSV	hsv(229, 53%, 85%)
CMYK	cmyk(53.5%, 43.3%, 0%, 14.9%)
CIE-LAB	lab(53.96, 18.66, -50.79)
CIE-LCH	lch(53.96, 54.11, 290.18°)
OKLab	oklab(61% 0.0041 -0.1443)
OKLCH	oklch(61% 0.144 271.6)
XYZ	xyz(24.9701, 21.9406, 68.5514)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD9 #D9C365

analogous

#65B5D9 #657BD9 #8965D9

triadic

#657BD9 #D9657B #7BD965

tetradic

#657BD9 #D965B5 #D9C365 #65D989

square

#657BD9 #D965B5 #D9C365 #65D989

split-complementary

#657BD9 #D98965 #B5D965

monochromatic

#273D9D #3451CD #657BD9 #96A5E5 #C7CFF1

Accessibility & contrast

On white

3.90

#657BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#657BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD9

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD9	#FFFFFF	#000000	##000000
##657BD9	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5386DD

Deuteranopia (green-blind)

#457CD7

Tritanopia (blue-blind)

#2B8F9F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657bd9;
/* rgb */ color: rgb(101, 123, 217);
/* oklch */ color: oklch(61.0% 0.144 271.6);

Tailwind

colors: {
  custom: {
    50: '#98a0e5',
    500: '#657bd9',
    950: '#000000',
  },
}

SCSS

$custom: #657bd9;
$custom-light: #98a0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd9",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 217
  },
  "hsl": {
    "h": 228.621,
    "s": 60.417,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60999,
    "c": 0.14439,
    "h": 271.6
  },
  "luminance": 0.21942
}

Semantic roles & 50–950 ramp

primary

#657BD9

secondary

#E2DAB8

accent

#A81DC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #657BD9

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

Preview Lab → · Contrast checker → · Palette generator →