#648D99#648D99

#648D99 is a mid, muted cyan. Relative luminance 0.241; OKLCH L 61.8% C 0.049 H 217.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#648D99
RGB	rgb(100, 141, 153)
HSL	hsl(194, 21%, 50%)
HSV	hsv(194, 35%, 60%)
CMYK	cmyk(34.6%, 7.8%, 0%, 40%)
CIE-LAB	lab(56.15, -10.98, -10.89)
CIE-LCH	lch(56.15, 15.46, 224.75°)
OKLab	oklab(61.77% -0.0383 -0.0298)
OKLCH	oklch(61.77% 0.049 217.9)
XYZ	xyz(20.5283, 24.0578, 33.6928)
Luminance	0.2406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648D99 #997064

analogous

#64998B #648D99 #647399

triadic

#648D99 #99648D #8D9964

tetradic

#648D99 #8B6499 #997064 #739964

square

#648D99 #8B6499 #997064 #739964

split-complementary

#648D99 #996473 #998B64

monochromatic

#34494F #4C6B74 #648D99 #89A8B2 #AEC3CA

Accessibility & contrast

On white

3.61

#648D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#648D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648D99

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648D99	#FFFFFF	#000000	##000000
##648D99	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858A9A

Deuteranopia (green-blind)

#7D8499

Tritanopia (blue-blind)

#519191

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #648d99;
/* rgb */ color: rgb(100, 141, 153);
/* oklch */ color: oklch(61.8% 0.049 217.9);

Tailwind

colors: {
  custom: {
    50: '#92aeb7',
    500: '#648d99',
    950: '#000000',
  },
}

SCSS

$custom: #648d99;
$custom-light: #92aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#648d99",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 193.585,
    "s": 20.949,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61767,
    "c": 0.04853,
    "h": 217.9
  },
  "luminance": 0.24059
}

Semantic roles & 50–950 ramp

primary

#648D99

secondary

#B9A6A0

accent

#7D6ABE

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #648D99

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

Preview Lab → · Contrast checker → · Palette generator →