#3F9FB2#3F9FB2

#3F9FB2 is a light, moderate teal. Relative luminance 0.291; OKLCH L 65.4% C 0.093 H 213.0°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FB2
RGB	rgb(63, 159, 178)
HSL	hsl(190, 48%, 47%)
HSV	hsv(190, 65%, 70%)
CMYK	cmyk(64.6%, 10.7%, 0%, 30.2%)
CIE-LAB	lab(60.84, -21.99, -18.17)
CIE-LCH	lch(60.84, 28.52, 219.57°)
OKLab	oklab(65.38% -0.0777 -0.0505)
OKLCH	oklch(65.38% 0.093 213)
XYZ	xyz(22.4806, 29.0650, 46.5362)
Luminance	0.2907 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FB2 #B2523F

analogous

#3FB28C #3F9FB2 #3F66B2

triadic

#3F9FB2 #B23F9F #9FB23F

tetradic

#3F9FB2 #8C3FB2 #B2523F #66B23F

square

#3F9FB2 #8C3FB2 #B2523F #66B23F

split-complementary

#3F9FB2 #B23F66 #B28C3F

monochromatic

#1F4E58 #2F7785 #3F9FB2 #66B8C9 #93CDD9

Accessibility & contrast

On white

3.08

#3F9FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#3F9FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9FB2

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FB2	#FFFFFF	#000000	##000000
##3F9FB2	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919AB3

Deuteranopia (green-blind)

#808DB2

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9fb2;
/* rgb */ color: rgb(63, 159, 178);
/* oklch */ color: oklch(65.4% 0.093 213.0);

Tailwind

colors: {
  custom: {
    50: '#81bbc9',
    500: '#3f9fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fb2;
$custom-light: #81bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fb2",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 178
  },
  "hsl": {
    "h": 189.913,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.65378,
    "c": 0.09262,
    "h": 213
  },
  "luminance": 0.29067
}

Semantic roles & 50–950 ramp

primary

#3F9FB2

secondary

#C49389

accent

#6750D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #3F9FB2

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

Preview Lab → · Contrast checker → · Palette generator →