#648EB3#648EB3

#648EB3 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.1% C 0.073 H 245.9°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#648EB3
RGB	rgb(100, 142, 179)
HSL	hsl(208, 34%, 55%)
HSV	hsv(208, 44%, 70%)
CMYK	cmyk(44.1%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(57.37, -4.41, -23.90)
CIE-LCH	lch(57.37, 24.30, 259.54°)
OKLab	oklab(63.05% -0.0297 -0.0663)
OKLCH	oklch(63.05% 0.073 245.9)
XYZ	xyz(23.0625, 25.3085, 46.3089)
Luminance	0.2531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EB3 #B38964

analogous

#64B3B0 #648EB3 #6467B3

triadic

#648EB3 #B3648E #8EB364

tetradic

#648EB3 #B064B3 #B38964 #67B364

square

#648EB3 #B064B3 #B38964 #67B364

split-complementary

#648EB3 #B36467 #B3B064

monochromatic

#345069 #486F92 #648EB3 #8DACC7 #B6CADB

Accessibility & contrast

On white

3.46

#648EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#648EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EB3

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EB3	#FFFFFF	#000000	##000000
##648EB3	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB5

Deuteranopia (green-blind)

#7586B2

Tritanopia (blue-blind)

#44979A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #648eb3;
/* rgb */ color: rgb(100, 142, 179);
/* oklch */ color: oklch(63.1% 0.073 245.9);

Tailwind

colors: {
  custom: {
    50: '#94afc9',
    500: '#648eb3',
    950: '#000000',
  },
}

SCSS

$custom: #648eb3;
$custom-light: #94afc9;
$custom-dark: #000000;

JSON

{
  "hex": "#648eb3",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 208.101,
    "s": 34.199,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63051,
    "c": 0.07269,
    "h": 245.9
  },
  "luminance": 0.2531
}

Semantic roles & 50–950 ramp

primary

#648EB3

secondary

#CAB8A9

accent

#905ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648EB3

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

Preview Lab → · Contrast checker → · Palette generator →