#648BB9#648BB9

#648BB9 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.6% C 0.082 H 253.1°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#648BB9
RGB	rgb(100, 139, 185)
HSL	hsl(212, 38%, 56%)
HSV	hsv(212, 46%, 73%)
CMYK	cmyk(45.9%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(56.76, -0.95, -28.26)
CIE-LCH	lch(56.76, 28.28, 268.08°)
OKLab	oklab(62.65% -0.0239 -0.0788)
OKLCH	oklch(62.65% 0.082 253.1)
XYZ	xyz(23.2422, 24.6758, 49.4277)
Luminance	0.2468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BB9 #B99264

analogous

#64B5B9 #648BB9 #6764B9

triadic

#648BB9 #B9648B #8BB964

tetradic

#648BB9 #B964B5 #B99264 #64B967

square

#648BB9 #B964B5 #B99264 #64B967

split-complementary

#648BB9 #B96764 #B5B964

monochromatic

#334F70 #466C9A #648BB9 #8EABCC #B8CADF

Accessibility & contrast

On white

3.54

#648BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#648BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BB9

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BB9	#FFFFFF	#000000	##000000
##648BB9	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBB

Deuteranopia (green-blind)

#6F84B8

Tritanopia (blue-blind)

#41959B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648bb9;
/* rgb */ color: rgb(100, 139, 185);
/* oklch */ color: oklch(62.6% 0.082 253.1);

Tailwind

colors: {
  custom: {
    50: '#94acce',
    500: '#648bb9',
    950: '#000000',
  },
}

SCSS

$custom: #648bb9;
$custom-light: #94acce;
$custom-dark: #000000;

JSON

{
  "hex": "#648bb9",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 212.471,
    "s": 37.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62645,
    "c": 0.08236,
    "h": 253.1
  },
  "luminance": 0.24677
}

Semantic roles & 50–950 ramp

primary

#648BB9

secondary

#CEBEAB

accent

#995ACE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648BB9

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

Preview Lab → · Contrast checker → · Palette generator →