#646B95#646B95

#646B95 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.9% C 0.066 H 276.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#646B95
RGB	rgb(100, 107, 149)
HSL	hsl(231, 20%, 49%)
HSV	hsv(231, 33%, 58%)
CMYK	cmyk(32.9%, 28.2%, 0%, 41.6%)
CIE-LAB	lab(46.17, 7.74, -23.76)
CIE-LCH	lch(46.17, 24.99, 288.05°)
OKLab	oklab(53.88% 0.0077 -0.0659)
OKLCH	oklch(53.88% 0.066 276.6)
XYZ	xyz(15.9365, 15.3941, 30.5596)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646B95 #958E64

analogous

#648495 #646B95 #766495

triadic

#646B95 #95646B #6B9564

tetradic

#646B95 #956484 #958E64 #649576

square

#646B95 #956484 #958E64 #649576

split-complementary

#646B95 #957664 #849564

monochromatic

#33364C #4B5170 #646B95 #878DAF #ACB0C7

Accessibility & contrast

On white

5.15

#646B95 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#646B95 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646B95

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646B95	#FFFFFF	#000000	##FFFFFF
##646B95	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6F97

Deuteranopia (green-blind)

#5B6C94

Tritanopia (blue-blind)

#57737A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646b95;
/* rgb */ color: rgb(100, 107, 149);
/* oklch */ color: oklch(53.9% 0.066 276.6);

Tailwind

colors: {
  custom: {
    50: '#9195b4',
    500: '#646b95',
    950: '#000000',
  },
}

SCSS

$custom: #646b95;
$custom-light: #9195b4;
$custom-dark: #000000;

JSON

{
  "hex": "#646b95",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 149
  },
  "hsl": {
    "h": 231.429,
    "s": 19.679,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53876,
    "c": 0.06633,
    "h": 276.6
  },
  "luminance": 0.15395
}

Semantic roles & 50–950 ramp

primary

#646B95

secondary

#B6B39F

accent

#B16CBC

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646B95

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

Preview Lab → · Contrast checker → · Palette generator →