#648DB3#648DB3

#648DB3 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.8% C 0.073 H 247.2°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#648DB3
RGB	rgb(100, 141, 179)
HSL	hsl(209, 34%, 55%)
HSV	hsv(209, 44%, 70%)
CMYK	cmyk(44.1%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(57.09, -3.84, -24.34)
CIE-LCH	lch(57.09, 24.64, 261.03°)
OKLab	oklab(62.82% -0.0284 -0.0676)
OKLCH	oklch(62.82% 0.073 247.2)
XYZ	xyz(22.9144, 25.0123, 46.2595)
Luminance	0.2501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DB3 #B38A64

analogous

#64B3B2 #648DB3 #6466B3

triadic

#648DB3 #B3648D #8DB364

tetradic

#648DB3 #B264B3 #B38A64 #66B364

square

#648DB3 #B264B3 #B38A64 #66B364

split-complementary

#648DB3 #B36466 #B3B264

monochromatic

#344F69 #486E92 #648DB3 #8DABC7 #B6C9DB

Accessibility & contrast

On white

3.50

#648DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#648DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DB3

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DB3	#FFFFFF	#000000	##000000
##648DB3	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB5

Deuteranopia (green-blind)

#7485B2

Tritanopia (blue-blind)

#45969A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648db3;
/* rgb */ color: rgb(100, 141, 179);
/* oklch */ color: oklch(62.8% 0.073 247.2);

Tailwind

colors: {
  custom: {
    50: '#94aec9',
    500: '#648db3',
    950: '#000000',
  },
}

SCSS

$custom: #648db3;
$custom-light: #94aec9;
$custom-dark: #000000;

JSON

{
  "hex": "#648db3",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 208.861,
    "s": 34.199,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62824,
    "c": 0.07333,
    "h": 247.2
  },
  "luminance": 0.25014
}

Semantic roles & 50–950 ramp

primary

#648DB3

secondary

#CAB9A9

accent

#925ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648DB3

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

Preview Lab → · Contrast checker → · Palette generator →