#3F899D#3F899D

#3F899D is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.1% C 0.079 H 218.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F899D
RGB	rgb(63, 137, 157)
HSL	hsl(193, 43%, 43%)
HSV	hsv(193, 60%, 62%)
CMYK	cmyk(59.9%, 12.7%, 0%, 38.4%)
CIE-LAB	lab(53.36, -16.83, -17.57)
CIE-LCH	lch(53.36, 24.33, 226.22°)
OKLab	oklab(59.13% -0.0621 -0.0488)
OKLCH	oklch(59.13% 0.079 218.1)
XYZ	xyz(17.0789, 21.3807, 35.1186)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F899D #9D533F

analogous

#3F9D82 #3F899D #3F5A9D

triadic

#3F899D #9D3F89 #899D3F

tetradic

#3F899D #823F9D #9D533F #5A9D3F

square

#3F899D #823F9D #9D533F #5A9D3F

split-complementary

#3F899D #9D3F5A #9D823F

monochromatic

#1C3D46 #2D6371 #3F899D #5CA9BD #87C0CF

Accessibility & contrast

On white

3.98

#3F899D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3F899D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F899D

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F899D	#FFFFFF	#000000	##000000
##3F899D	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859E

Deuteranopia (green-blind)

#6E7B9D

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f899d;
/* rgb */ color: rgb(63, 137, 157);
/* oklch */ color: oklch(59.1% 0.079 218.1);

Tailwind

colors: {
  custom: {
    50: '#7dabba',
    500: '#3f899d',
    950: '#000000',
  },
}

SCSS

$custom: #3f899d;
$custom-light: #7dabba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f899d",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 157
  },
  "hsl": {
    "h": 192.766,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.59128,
    "c": 0.07897,
    "h": 218.1
  },
  "luminance": 0.21382
}

Semantic roles & 50–950 ramp

primary

#3F899D

secondary

#BA8B7E

accent

#7055D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #3F899D

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

Preview Lab → · Contrast checker → · Palette generator →