#648CA3#648CA3

#648CA3 is a mid, muted cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.056 H 234.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#648CA3
RGB	rgb(100, 140, 163)
HSL	hsl(202, 26%, 52%)
HSV	hsv(202, 39%, 64%)
CMYK	cmyk(38.7%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(56.20, -7.76, -16.55)
CIE-LCH	lch(56.20, 18.28, 244.88°)
OKLab	oklab(61.92% -0.033 -0.0456)
OKLCH	oklch(61.92% 0.056 234.1)
XYZ	xyz(21.2423, 24.1086, 38.1773)
Luminance	0.2411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CA3 #A37B64

analogous

#64A39B #648CA3 #646DA3

triadic

#648CA3 #A3648C #8CA364

tetradic

#648CA3 #9B64A3 #A37B64 #6DA364

square

#648CA3 #9B64A3 #A37B64 #6DA364

split-complementary

#648CA3 #A3646D #A39B64

monochromatic

#344B58 #4B6C7F #648CA3 #8AA8BA #B1C5D1

Accessibility & contrast

On white

3.61

#648CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#648CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CA3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CA3	#FFFFFF	#000000	##000000
##648CA3	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA4

Deuteranopia (green-blind)

#7884A3

Tritanopia (blue-blind)

#4D9293

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #648ca3;
/* rgb */ color: rgb(100, 140, 163);
/* oklch */ color: oklch(61.9% 0.056 234.1);

Tailwind

colors: {
  custom: {
    50: '#92adbe',
    500: '#648ca3',
    950: '#000000',
  },
}

SCSS

$custom: #648ca3;
$custom-light: #92adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#648ca3",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 201.905,
    "s": 25.506,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61921,
    "c": 0.05627,
    "h": 234.1
  },
  "luminance": 0.2411
}

Semantic roles & 50–950 ramp

primary

#648CA3

secondary

#BFAEA4

accent

#8766C2

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648CA3

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

Preview Lab → · Contrast checker → · Palette generator →