#618D99#618D99

#618D99 is a mid, muted cyan. Relative luminance 0.239; OKLCH L 61.6% C 0.051 H 216.6°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#618D99
RGB	rgb(97, 141, 153)
HSL	hsl(193, 22%, 49%)
HSV	hsv(193, 37%, 60%)
CMYK	cmyk(36.6%, 7.8%, 0%, 40%)
CIE-LAB	lab(55.98, -11.85, -11.16)
CIE-LCH	lch(55.98, 16.28, 223.27°)
OKLab	oklab(61.59% -0.0411 -0.0306)
OKLCH	oklch(61.59% 0.051 216.6)
XYZ	xyz(20.2025, 23.8898, 33.6775)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618D99 #996D61

analogous

#619989 #618D99 #617199

triadic

#618D99 #99618D #8D9961

tetradic

#618D99 #896199 #996D61 #719961

square

#618D99 #896199 #996D61 #719961

split-complementary

#618D99 #996171 #998961

monochromatic

#32484E #496A74 #618D99 #85A8B2 #ABC3CA

Accessibility & contrast

On white

3.63

#618D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#618D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618D99

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618D99	#FFFFFF	#000000	##000000
##618D99	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858A9A

Deuteranopia (green-blind)

#7C8399

Tritanopia (blue-blind)

#4C9291

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #618d99;
/* rgb */ color: rgb(97, 141, 153);
/* oklch */ color: oklch(61.6% 0.051 216.6);

Tailwind

colors: {
  custom: {
    50: '#90aeb7',
    500: '#618d99',
    950: '#000000',
  },
}

SCSS

$custom: #618d99;
$custom-light: #90aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#618d99",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 192.857,
    "s": 22.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.61589,
    "c": 0.05124,
    "h": 216.6
  },
  "luminance": 0.23891
}

Semantic roles & 50–950 ramp

primary

#618D99

secondary

#B8A39E

accent

#7B69BF

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #618D99

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

Preview Lab → · Contrast checker → · Palette generator →