#648CA7#648CA7

#648CA7 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.060 H 238.5°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#648CA7
RGB	rgb(100, 140, 167)
HSL	hsl(204, 28%, 52%)
HSV	hsv(204, 40%, 65%)
CMYK	cmyk(40.1%, 16.2%, 0%, 34.5%)
CIE-LAB	lab(56.34, -6.66, -18.63)
CIE-LCH	lch(56.34, 19.78, 250.32°)
OKLab	oklab(62.08% -0.0315 -0.0514)
OKLCH	oklch(62.08% 0.06 238.5)
XYZ	xyz(21.6063, 24.2542, 40.0948)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CA7 #A77F64

analogous

#64A7A0 #648CA7 #646BA7

triadic

#648CA7 #A7648C #8CA764

tetradic

#648CA7 #A064A7 #A77F64 #6BA764

square

#648CA7 #A064A7 #A77F64 #6BA764

split-complementary

#648CA7 #A7646B #A7A064

monochromatic

#344C5C #4B6C83 #648CA7 #8BA9BD #B2C6D3

Accessibility & contrast

On white

3.59

#648CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#648CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CA7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CA7	#FFFFFF	#000000	##000000
##648CA7	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA8

Deuteranopia (green-blind)

#7784A7

Tritanopia (blue-blind)

#4B9395

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #648ca7;
/* rgb */ color: rgb(100, 140, 167);
/* oklch */ color: oklch(62.1% 0.060 238.5);

Tailwind

colors: {
  custom: {
    50: '#93adc1',
    500: '#648ca7',
    950: '#000000',
  },
}

SCSS

$custom: #648ca7;
$custom-light: #93adc1;
$custom-dark: #000000;

JSON

{
  "hex": "#648ca7",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 167
  },
  "hsl": {
    "h": 204.179,
    "s": 27.572,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62084,
    "c": 0.06027,
    "h": 238.5
  },
  "luminance": 0.24256
}

Semantic roles & 50–950 ramp

primary

#648CA7

secondary

#C2B1A5

accent

#8B64C4

background

#F9FAFB

surface

#F1F4F7

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648CA7

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

Preview Lab → · Contrast checker → · Palette generator →