#3F8A9F#3F8A9F

#3F8A9F is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.080 H 218.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F8A9F
RGB	rgb(63, 138, 159)
HSL	hsl(193, 43%, 44%)
HSV	hsv(193, 60%, 62%)
CMYK	cmyk(60.4%, 13.2%, 0%, 37.6%)
CIE-LAB	lab(53.74, -16.75, -18.14)
CIE-LCH	lch(53.74, 24.69, 227.28°)
OKLab	oklab(59.46% -0.0624 -0.0504)
OKLCH	oklch(59.46% 0.08 218.9)
XYZ	xyz(17.3939, 21.7352, 36.0728)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8A9F #9F543F

analogous

#3F9F84 #3F8A9F #3F5A9F

triadic

#3F8A9F #9F3F8A #8A9F3F

tetradic

#3F8A9F #843F9F #9F543F #5A9F3F

square

#3F8A9F #843F9F #9F543F #5A9F3F

split-complementary

#3F8A9F #9F3F5A #9F843F

monochromatic

#1C3E47 #2E6473 #3F8A9F #5DA9BF #88C0D0

Accessibility & contrast

On white

3.93

#3F8A9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3F8A9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8A9F

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8A9F	#FFFFFF	#000000	##000000
##3F8A9F	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D86A0

Deuteranopia (green-blind)

#6F7C9F

Tritanopia (blue-blind)

#009191

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f8a9f;
/* rgb */ color: rgb(63, 138, 159);
/* oklch */ color: oklch(59.5% 0.080 218.9);

Tailwind

colors: {
  custom: {
    50: '#7eacbb',
    500: '#3f8a9f',
    950: '#000000',
  },
}

SCSS

$custom: #3f8a9f;
$custom-light: #7eacbb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8a9f",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 159
  },
  "hsl": {
    "h": 193.125,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59458,
    "c": 0.08023,
    "h": 218.9
  },
  "luminance": 0.21737
}

Semantic roles & 50–950 ramp

primary

#3F8A9F

secondary

#BB8C7F

accent

#7055D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #3F8A9F

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

Preview Lab → · Contrast checker → · Palette generator →