#648BBB#648BBB

#648BBB is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.7% C 0.085 H 254.1°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#648BBB
RGB	rgb(100, 139, 187)
HSL	hsl(213, 39%, 56%)
HSV	hsv(213, 47%, 73%)
CMYK	cmyk(46.5%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(56.84, -0.35, -29.27)
CIE-LCH	lch(56.84, 29.27, 269.31°)
OKLab	oklab(62.74% -0.0233 -0.0817)
OKLCH	oklch(62.74% 0.085 254.1)
XYZ	xyz(23.4548, 24.7609, 50.5475)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BBB #BB9464

analogous

#64B7BB #648BBB #6964BB

triadic

#648BBB #BB648B #8BBB64

tetradic

#648BBB #BB64B7 #BB9464 #64BB69

square

#648BBB #BB64B7 #BB9464 #64BB69

split-complementary

#648BBB #BB6964 #B7BB64

monochromatic

#324F72 #456C9D #648BBB #8FABCE #B9CBE0

Accessibility & contrast

On white

3.53

#648BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#648BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BBB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BBB	#FFFFFF	#000000	##000000
##648BBB	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)

#788DBD

Deuteranopia (green-blind)

#6E85BA

Tritanopia (blue-blind)

#40969C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648bbb;
/* rgb */ color: rgb(100, 139, 187);
/* oklch */ color: oklch(62.7% 0.085 254.1);

Tailwind

colors: {
  custom: {
    50: '#94accf',
    500: '#648bbb',
    950: '#000000',
  },
}

SCSS

$custom: #648bbb;
$custom-light: #94accf;
$custom-dark: #000000;

JSON

{
  "hex": "#648bbb",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 213.103,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62738,
    "c": 0.08495,
    "h": 254.1
  },
  "luminance": 0.24762
}

Semantic roles & 50–950 ramp

primary

#648BBB

secondary

#CFBFAB

accent

#9A59CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #648BBB

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

Preview Lab → · Contrast checker → · Palette generator →