#3F899C#3F899C

#3F899C is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.078 H 217.1°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F899C
RGB	rgb(63, 137, 156)
HSL	hsl(192, 42%, 43%)
HSV	hsv(192, 60%, 61%)
CMYK	cmyk(59.6%, 12.2%, 0%, 38.8%)
CIE-LAB	lab(53.33, -17.14, -17.04)
CIE-LCH	lch(53.33, 24.17, 224.83°)
OKLab	oklab(59.09% -0.0625 -0.0473)
OKLCH	oklch(59.09% 0.078 217.1)
XYZ	xyz(16.9939, 21.3467, 34.6708)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F899C #9C523F

analogous

#3F9C80 #3F899C #3F5A9C

triadic

#3F899C #9C3F89 #899C3F

tetradic

#3F899C #803F9C #9C523F #5A9C3F

square

#3F899C #803F9C #9C523F #5A9C3F

split-complementary

#3F899C #9C3F5A #9C803F

monochromatic

#1C3C45 #2D6370 #3F899C #5BA9BD #87C0CE

Accessibility & contrast

On white

3.99

#3F899C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3F899C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F899C

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F899C	#FFFFFF	#000000	##000000
##3F899C	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859D

Deuteranopia (green-blind)

#6F7B9C

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f899c;
/* rgb */ color: rgb(63, 137, 156);
/* oklch */ color: oklch(59.1% 0.078 217.1);

Tailwind

colors: {
  custom: {
    50: '#7dabb9',
    500: '#3f899c',
    950: '#000000',
  },
}

SCSS

$custom: #3f899c;
$custom-light: #7dabb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f899c",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 156
  },
  "hsl": {
    "h": 192.258,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.59086,
    "c": 0.0784,
    "h": 217.1
  },
  "luminance": 0.21348
}

Semantic roles & 50–950 ramp

primary

#3F899C

secondary

#B98A7E

accent

#6F56D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #3F899C

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

Preview Lab → · Contrast checker → · Palette generator →