#3F9ABE#3F9ABE

#3F9ABE is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.7% C 0.100 H 227.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ABE
RGB	rgb(63, 154, 190)
HSL	hsl(197, 50%, 50%)
HSV	hsv(197, 67%, 75%)
CMYK	cmyk(66.8%, 18.9%, 0%, 25.5%)
CIE-LAB	lab(59.78, -15.54, -26.55)
CIE-LCH	lch(59.78, 30.76, 239.65°)
OKLab	oklab(64.68% -0.0677 -0.0743)
OKLCH	oklch(64.68% 0.1 227.6)
XYZ	xyz(22.8961, 27.8832, 52.8805)
Luminance	0.2789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ABE #BE633F

analogous

#3FBEA3 #3F9ABE #3F5ABE

triadic

#3F9ABE #BE3F9A #9ABE3F

tetradic

#3F9ABE #A33FBE #BE633F #5ABE3F

square

#3F9ABE #A33FBE #BE633F #5ABE3F

split-complementary

#3F9ABE #BE3F5A #BEA33F

monochromatic

#214F62 #307590 #3F9ABE #6CB2CE #9ACADD

Accessibility & contrast

On white

3.19

#3F9ABE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#3F9ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ABE

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ABE	#FFFFFF	#000000	##000000
##3F9ABE	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797C0

Deuteranopia (green-blind)

#758ABE

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f9abe;
/* rgb */ color: rgb(63, 154, 190);
/* oklch */ color: oklch(64.7% 0.100 227.6);

Tailwind

colors: {
  custom: {
    50: '#82b7d1',
    500: '#3f9abe',
    950: '#000000',
  },
}

SCSS

$custom: #3f9abe;
$custom-light: #82b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9abe",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 190
  },
  "hsl": {
    "h": 197.008,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.64681,
    "c": 0.10049,
    "h": 227.6
  },
  "luminance": 0.27886
}

Semantic roles & 50–950 ramp

primary

#3F9ABE

secondary

#C9A08F

accent

#764EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9ABE

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

Preview Lab → · Contrast checker → · Palette generator →