#648CB4#648CB4

#648CB4 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.6% C 0.075 H 249.1°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#648CB4
RGB	rgb(100, 140, 180)
HSL	hsl(210, 35%, 55%)
HSV	hsv(210, 44%, 71%)
CMYK	cmyk(44.4%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(56.84, -2.98, -25.29)
CIE-LCH	lch(56.84, 25.47, 263.28°)
OKLab	oklab(62.64% -0.0268 -0.0703)
OKLCH	oklch(62.64% 0.075 249.1)
XYZ	xyz(22.8691, 24.7593, 46.7451)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CB4 #B48C64

analogous

#64B4B4 #648CB4 #6464B4

triadic

#648CB4 #B4648C #8CB464

tetradic

#648CB4 #B464B4 #B48C64 #64B464

square

#648CB4 #B464B4 #B48C64 #64B464

split-complementary

#648CB4 #B46464 #B4B464

monochromatic

#334F6A #476D93 #648CB4 #8DABC8 #B6C9DC

Accessibility & contrast

On white

3.53

#648CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#648CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CB4

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CB4	#FFFFFF	#000000	##000000
##648CB4	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB6

Deuteranopia (green-blind)

#7285B3

Tritanopia (blue-blind)

#449599

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648cb4;
/* rgb */ color: rgb(100, 140, 180);
/* oklch */ color: oklch(62.6% 0.075 249.1);

Tailwind

colors: {
  custom: {
    50: '#94adca',
    500: '#648cb4',
    950: '#000000',
  },
}

SCSS

$custom: #648cb4;
$custom-light: #94adca;
$custom-dark: #000000;

JSON

{
  "hex": "#648cb4",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 210,
    "s": 34.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62643,
    "c": 0.07525,
    "h": 249.1
  },
  "luminance": 0.24761
}

Semantic roles & 50–950 ramp

primary

#648CB4

secondary

#CBBAA9

accent

#945DCB

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648CB4

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

Preview Lab → · Contrast checker → · Palette generator →