#64758B#64758B

#64758B is a mid, muted cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.040 H 255.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#64758B
RGB	rgb(100, 117, 139)
HSL	hsl(214, 16%, 47%)
HSV	hsv(214, 28%, 55%)
CMYK	cmyk(28.1%, 15.8%, 0%, 45.5%)
CIE-LAB	lab(48.63, -0.92, -14.07)
CIE-LCH	lch(48.63, 14.10, 266.24°)
OKLab	oklab(55.67% -0.0103 -0.0385)
OKLCH	oklch(55.67% 0.04 255)
XYZ	xyz(16.2757, 17.2954, 26.9019)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64758B #8B7A64

analogous

#64898B #64758B #67648B

triadic

#64758B #8B6475 #758B64

tetradic

#64758B #8B6489 #8B7A64 #648B67

square

#64758B #8B6489 #8B7A64 #648B67

split-complementary

#64758B #8B6764 #898B64

monochromatic

#313944 #4A5767 #64758B #8594A7 #A9B3C1

Accessibility & contrast

On white

4.71

#64758B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#64758B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64758B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64758B	#FFFFFF	#000000	##FFFFFF
##64758B	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D768C

Deuteranopia (green-blind)

#69728B

Tritanopia (blue-blind)

#597A7C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #64758b;
/* rgb */ color: rgb(100, 117, 139);
/* oklch */ color: oklch(55.7% 0.040 255.0);

Tailwind

colors: {
  custom: {
    50: '#919cad',
    500: '#64758b',
    950: '#000000',
  },
}

SCSS

$custom: #64758b;
$custom-light: #919cad;
$custom-dark: #000000;

JSON

{
  "hex": "#64758b",
  "rgb": {
    "r": 100,
    "g": 117,
    "b": 139
  },
  "hsl": {
    "h": 213.846,
    "s": 16.318,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.03987,
    "h": 255
  },
  "luminance": 0.17296
}

Semantic roles & 50–950 ramp

primary

#64758B

secondary

#B0A79B

accent

#996FB9

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0D0E10

muted

#7D7E7F

Preview Lab

Preview with #64758B

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

Preview Lab → · Contrast checker → · Palette generator →