#646E95#646E95

#646E95 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.5% C 0.062 H 273.1°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#646E95
RGB	rgb(100, 110, 149)
HSL	hsl(228, 20%, 49%)
HSV	hsv(228, 33%, 58%)
CMYK	cmyk(32.9%, 26.2%, 0%, 41.6%)
CIE-LAB	lab(47.01, 5.92, -22.45)
CIE-LCH	lch(47.01, 23.22, 284.77°)
OKLab	oklab(54.53% 0.0033 -0.0622)
OKLCH	oklch(54.53% 0.062 273.1)
XYZ	xyz(16.2547, 16.0305, 30.6657)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E95 #958B64

analogous

#648795 #646E95 #736495

triadic

#646E95 #95646E #6E9564

tetradic

#646E95 #956487 #958B64 #649573

square

#646E95 #956487 #958B64 #649573

split-complementary

#646E95 #957364 #879564

monochromatic

#33384C #4B5370 #646E95 #878FAF #ACB2C7

Accessibility & contrast

On white

4.99

#646E95 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#646E95 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E95

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E95	#FFFFFF	#000000	##FFFFFF
##646E95	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627297

Deuteranopia (green-blind)

#5E6E94

Tritanopia (blue-blind)

#57757B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #646e95;
/* rgb */ color: rgb(100, 110, 149);
/* oklch */ color: oklch(54.5% 0.062 273.1);

Tailwind

colors: {
  custom: {
    50: '#9197b4',
    500: '#646e95',
    950: '#000000',
  },
}

SCSS

$custom: #646e95;
$custom-light: #9197b4;
$custom-dark: #000000;

JSON

{
  "hex": "#646e95",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 149
  },
  "hsl": {
    "h": 227.755,
    "s": 19.679,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54533,
    "c": 0.06226,
    "h": 273.1
  },
  "luminance": 0.16031
}

Semantic roles & 50–950 ramp

primary

#646E95

secondary

#B6B19F

accent

#AC6CBC

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646E95

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

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