#648AAA#648AAA

#648AAA is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.8% C 0.065 H 244.5°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#648AAA
RGB	rgb(100, 138, 170)
HSL	hsl(207, 29%, 53%)
HSV	hsv(207, 41%, 67%)
CMYK	cmyk(41.2%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(55.87, -4.69, -21.06)
CIE-LCH	lch(55.87, 21.58, 257.44°)
OKLab	oklab(61.75% -0.0278 -0.0583)
OKLCH	oklch(61.75% 0.065 244.5)
XYZ	xyz(21.5973, 23.7873, 41.4758)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AAA #AA8464

analogous

#64AAA7 #648AAA #6467AA

triadic

#648AAA #AA648A #8AAA64

tetradic

#648AAA #A764AA #AA8464 #67AA64

square

#648AAA #A764AA #AA8464 #67AA64

split-complementary

#648AAA #AA6467 #AAA764

monochromatic

#344C5F #4A6B87 #648AAA #8CA8C0 #B3C6D5

Accessibility & contrast

On white

3.65

#648AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#648AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AAA

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AAA	#FFFFFF	#000000	##000000
##648AAA	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAC

Deuteranopia (green-blind)

#7483A9

Tritanopia (blue-blind)

#4A9295

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #648aaa;
/* rgb */ color: rgb(100, 138, 170);
/* oklch */ color: oklch(61.8% 0.065 244.5);

Tailwind

colors: {
  custom: {
    50: '#93acc3',
    500: '#648aaa',
    950: '#000000',
  },
}

SCSS

$custom: #648aaa;
$custom-light: #93acc3;
$custom-dark: #000000;

JSON

{
  "hex": "#648aaa",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 207.429,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61752,
    "c": 0.06455,
    "h": 244.5
  },
  "luminance": 0.23789
}

Semantic roles & 50–950 ramp

primary

#648AAA

secondary

#C4B4A6

accent

#9062C5

background

#F9FAFC

surface

#F1F4F8

border

#CBCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648AAA

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

Preview Lab → · Contrast checker → · Palette generator →