#646A98#646A98

#646A98 is a mid, moderate blue. Relative luminance 0.153; OKLCH L 53.8% C 0.072 H 278.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#646A98
RGB	rgb(100, 106, 152)
HSL	hsl(233, 21%, 49%)
HSV	hsv(233, 34%, 60%)
CMYK	cmyk(34.2%, 30.3%, 0%, 40.4%)
CIE-LAB	lab(46.02, 9.18, -25.77)
CIE-LCH	lch(46.02, 27.35, 289.61°)
OKLab	oklab(53.8% 0.01 -0.0716)
OKLCH	oklch(53.8% 0.072 278)
XYZ	xyz(16.0755, 15.2838, 31.8028)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A98 #989264

analogous

#648498 #646A98 #786498

triadic

#646A98 #98646A #6A9864

tetradic

#646A98 #986484 #989264 #649878

square

#646A98 #986484 #989264 #649878

split-complementary

#646A98 #987864 #849864

monochromatic

#33374E #4C5073 #646A98 #888DB1 #ADB0C9

Accessibility & contrast

On white

5.18

#646A98 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#646A98 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A98

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A98	#FFFFFF	#000000	##FFFFFF
##646A98	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6F9A

Deuteranopia (green-blind)

#596B97

Tritanopia (blue-blind)

#56737A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646a98;
/* rgb */ color: rgb(100, 106, 152);
/* oklch */ color: oklch(53.8% 0.072 278.0);

Tailwind

colors: {
  custom: {
    50: '#9294b6',
    500: '#646a98',
    950: '#000000',
  },
}

SCSS

$custom: #646a98;
$custom-light: #9294b6;
$custom-dark: #000000;

JSON

{
  "hex": "#646a98",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 152
  },
  "hsl": {
    "h": 233.077,
    "s": 20.635,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53804,
    "c": 0.07235,
    "h": 278
  },
  "luminance": 0.15284
}

Semantic roles & 50–950 ramp

primary

#646A98

secondary

#B8B5A0

accent

#B46BBD

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646A98

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

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