#646397#646397

#646397 is a mid, moderate blue. Relative luminance 0.139; OKLCH L 52.3% C 0.081 H 284.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#646397
RGB	rgb(100, 99, 151)
HSL	hsl(241, 21%, 49%)
HSV	hsv(241, 34%, 59%)
CMYK	cmyk(33.8%, 34.4%, 0%, 40.8%)
CIE-LAB	lab(44.04, 13.20, -28.25)
CIE-LCH	lch(44.04, 31.19, 295.05°)
OKLab	oklab(52.26% 0.0198 -0.0788)
OKLCH	oklch(52.26% 0.081 284.1)
XYZ	xyz(15.3018, 13.8669, 31.1425)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646397 #969763

analogous

#637C97 #646397 #7E6397

triadic

#646397 #976463 #639764

tetradic

#646397 #97637C #969763 #63977E

square

#646397 #97637C #969763 #63977E

split-complementary

#646397 #977E63 #7C9763

monochromatic

#33334D #4C4B72 #646397 #8887B0 #ACACC9

Accessibility & contrast

On white

5.57

#646397 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#646397 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646397

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646397	#FFFFFF	#000000	##FFFFFF
##646397	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536A99

Deuteranopia (green-blind)

#526796

Tritanopia (blue-blind)

#576D76

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646397;
/* rgb */ color: rgb(100, 99, 151);
/* oklch */ color: oklch(52.3% 0.081 284.1);

Tailwind

colors: {
  custom: {
    50: '#928fb6',
    500: '#646397',
    950: '#000000',
  },
}

SCSS

$custom: #646397;
$custom-light: #928fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#646397",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 151
  },
  "hsl": {
    "h": 241.154,
    "s": 20.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52262,
    "c": 0.08125,
    "h": 284.1
  },
  "luminance": 0.13867
}

Semantic roles & 50–950 ramp

primary

#646397

secondary

#B7B79F

accent

#BD6ABC

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #646397

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

Preview Lab → · Contrast checker → · Palette generator →