#646998#646998

#646998 is a mid, moderate blue. Relative luminance 0.151; OKLCH L 53.6% C 0.074 H 278.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#646998
RGB	rgb(100, 105, 152)
HSL	hsl(234, 21%, 49%)
HSV	hsv(234, 34%, 60%)
CMYK	cmyk(34.2%, 30.9%, 0%, 40.4%)
CIE-LAB	lab(45.74, 9.79, -26.20)
CIE-LCH	lch(45.74, 27.97, 290.49°)
OKLab	oklab(53.59% 0.0114 -0.0729)
OKLCH	oklch(53.59% 0.074 278.9)
XYZ	xyz(15.9730, 15.0789, 31.7686)
Luminance	0.1508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646998 #989364

analogous

#648398 #646998 #796498

triadic

#646998 #986469 #699864

tetradic

#646998 #986483 #989364 #649879

square

#646998 #986483 #989364 #649879

split-complementary

#646998 #987964 #839864

monochromatic

#33364E #4C5073 #646998 #888CB1 #ADB0C9

Accessibility & contrast

On white

5.23

#646998 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#646998 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646998

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646998	#FFFFFF	#000000	##FFFFFF
##646998	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6E9A

Deuteranopia (green-blind)

#586B97

Tritanopia (blue-blind)

#56727A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #646998;
/* rgb */ color: rgb(100, 105, 152);
/* oklch */ color: oklch(53.6% 0.074 278.9);

Tailwind

colors: {
  custom: {
    50: '#9293b6',
    500: '#646998',
    950: '#000000',
  },
}

SCSS

$custom: #646998;
$custom-light: #9293b6;
$custom-dark: #000000;

JSON

{
  "hex": "#646998",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 152
  },
  "hsl": {
    "h": 234.231,
    "s": 20.635,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53589,
    "c": 0.07378,
    "h": 278.9
  },
  "luminance": 0.15079
}

Semantic roles & 50–950 ramp

primary

#646998

secondary

#B8B6A0

accent

#B56BBD

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646998

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

Preview Lab → · Contrast checker → · Palette generator →