#3F899F#3F899F

#3F899F is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.080 H 220.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F899F
RGB	rgb(63, 137, 159)
HSL	hsl(194, 43%, 44%)
HSV	hsv(194, 60%, 62%)
CMYK	cmyk(60.4%, 13.8%, 0%, 37.6%)
CIE-LAB	lab(53.44, -16.21, -18.61)
CIE-LCH	lch(53.44, 24.68, 228.94°)
OKLab	oklab(59.21% -0.0613 -0.0517)
OKLCH	oklch(59.21% 0.08 220.2)
XYZ	xyz(17.2511, 21.4496, 36.0252)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F899F #9F553F

analogous

#3F9F85 #3F899F #3F599F

triadic

#3F899F #9F3F89 #899F3F

tetradic

#3F899F #853F9F #9F553F #599F3F

square

#3F899F #853F9F #9F553F #599F3F

split-complementary

#3F899F #9F3F59 #9F853F

monochromatic

#1C3D47 #2E6373 #3F899F #5DA8BF #88C0D0

Accessibility & contrast

On white

3.97

#3F899F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3F899F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F899F

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F899F	#FFFFFF	#000000	##000000
##3F899F	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C86A0

Deuteranopia (green-blind)

#6E7B9F

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f899f;
/* rgb */ color: rgb(63, 137, 159);
/* oklch */ color: oklch(59.2% 0.080 220.2);

Tailwind

colors: {
  custom: {
    50: '#7dabbb',
    500: '#3f899f',
    950: '#000000',
  },
}

SCSS

$custom: #3f899f;
$custom-light: #7dabbb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f899f",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 159
  },
  "hsl": {
    "h": 193.75,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59212,
    "c": 0.0802,
    "h": 220.2
  },
  "luminance": 0.21451
}

Semantic roles & 50–950 ramp

primary

#3F899F

secondary

#BB8D7F

accent

#7255D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #3F899F

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

Preview Lab → · Contrast checker → · Palette generator →