#646EAF#646EAF

#646EAF is a mid, moderate blue. Relative luminance 0.170; OKLCH L 55.8% C 0.101 H 276.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#646EAF
RGB	rgb(100, 110, 175)
HSL	hsl(232, 32%, 54%)
HSV	hsv(232, 43%, 69%)
CMYK	cmyk(42.9%, 37.1%, 0%, 31.4%)
CIE-LAB	lab(48.20, 13.38, -35.86)
CIE-LCH	lch(48.20, 38.27, 290.45°)
OKLab	oklab(55.84% 0.0105 -0.1008)
OKLCH	oklch(55.84% 0.101 276)
XYZ	xyz(18.5670, 16.9554, 42.8435)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EAF #AFA564

analogous

#6494AF #646EAF #8064AF

triadic

#646EAF #AF646E #6EAF64

tetradic

#646EAF #AF6494 #AFA564 #64AF80

square

#646EAF #AF6494 #AFA564 #64AF80

split-complementary

#646EAF #AF8064 #94AF64

monochromatic

#343A65 #49528D #646EAF #8C94C4 #B5BAD9

Accessibility & contrast

On white

4.78

#646EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#646EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646EAF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EAF	#FFFFFF	#000000	##FFFFFF
##646EAF	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5776B2

Deuteranopia (green-blind)

#5170AD

Tritanopia (blue-blind)

#4C7B86

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #646eaf;
/* rgb */ color: rgb(100, 110, 175);
/* oklch */ color: oklch(55.8% 0.101 276.0);

Tailwind

colors: {
  custom: {
    50: '#9397c7',
    500: '#646eaf',
    950: '#000000',
  },
}

SCSS

$custom: #646eaf;
$custom-light: #9397c7;
$custom-dark: #000000;

JSON

{
  "hex": "#646eaf",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 175
  },
  "hsl": {
    "h": 232,
    "s": 31.915,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55844,
    "c": 0.10137,
    "h": 276
  },
  "luminance": 0.16956
}

Semantic roles & 50–950 ramp

primary

#646EAF

secondary

#C7C3A7

accent

#BA60C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #646EAF

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

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