#648AA4#648AA4

#648AA4 is a mid, muted cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.058 H 238.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#648AA4
RGB	rgb(100, 138, 164)
HSL	hsl(204, 26%, 52%)
HSV	hsv(204, 39%, 64%)
CMYK	cmyk(39%, 15.9%, 0%, 35.7%)
CIE-LAB	lab(55.65, -6.36, -17.96)
CIE-LCH	lch(55.65, 19.05, 250.50°)
OKLab	oklab(61.5% -0.03 -0.0495)
OKLCH	oklch(61.5% 0.058 238.8)
XYZ	xyz(21.0426, 23.5654, 38.5545)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AA4 #A47E64

analogous

#64A49E #648AA4 #646AA4

triadic

#648AA4 #A4648A #8AA464

tetradic

#648AA4 #9E64A4 #A47E64 #6AA464

square

#648AA4 #9E64A4 #A47E64 #6AA464

split-complementary

#648AA4 #A4646A #A49E64

monochromatic

#344A59 #4B6A80 #648AA4 #8BA7BB #B1C4D1

Accessibility & contrast

On white

3.68

#648AA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#648AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AA4

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AA4	#FFFFFF	#000000	##000000
##648AA4	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F89A5

Deuteranopia (green-blind)

#7682A4

Tritanopia (blue-blind)

#4D9192

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #648aa4;
/* rgb */ color: rgb(100, 138, 164);
/* oklch */ color: oklch(61.5% 0.058 238.8);

Tailwind

colors: {
  custom: {
    50: '#92acbf',
    500: '#648aa4',
    950: '#000000',
  },
}

SCSS

$custom: #648aa4;
$custom-light: #92acbf;
$custom-dark: #000000;

JSON

{
  "hex": "#648aa4",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 164
  },
  "hsl": {
    "h": 204.375,
    "s": 26.016,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61501,
    "c": 0.05789,
    "h": 238.8
  },
  "luminance": 0.23567
}

Semantic roles & 50–950 ramp

primary

#648AA4

secondary

#C0AFA4

accent

#8B65C2

background

#F9FAFB

surface

#F1F4F7

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648AA4

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

Preview Lab → · Contrast checker → · Palette generator →