#3F9AC0#3F9AC0

#3F9AC0 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.8% C 0.102 H 229.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F9AC0
RGB	rgb(63, 154, 192)
HSL	hsl(198, 51%, 50%)
HSV	hsv(198, 67%, 75%)
CMYK	cmyk(67.2%, 19.8%, 0%, 24.7%)
CIE-LAB	lab(59.86, -14.89, -27.55)
CIE-LCH	lch(59.86, 31.32, 241.61°)
OKLab	oklab(64.77% -0.067 -0.0771)
OKLCH	oklch(64.77% 0.102 229)
XYZ	xyz(23.1161, 27.9712, 54.0397)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9AC0 #C0653F

analogous

#3FC0A5 #3F9AC0 #3F5AC0

triadic

#3F9AC0 #C03F9A #9AC03F

tetradic

#3F9AC0 #A53FC0 #C0653F #5AC03F

square

#3F9AC0 #A53FC0 #C0653F #5AC03F

split-complementary

#3F9AC0 #C03F5A #C0A53F

monochromatic

#215064 #307592 #3F9AC0 #6DB2CF #9BCADE

Accessibility & contrast

On white

3.18

#3F9AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#3F9AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9AC0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9AC0	#FFFFFF	#000000	##000000
##3F9AC0	1.00	3.18	6.59	6.59
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8698C2

Deuteranopia (green-blind)

#748BBF

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f9ac0;
/* rgb */ color: rgb(63, 154, 192);
/* oklch */ color: oklch(64.8% 0.102 229.0);

Tailwind

colors: {
  custom: {
    50: '#83b7d3',
    500: '#3f9ac0',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ac0;
$custom-light: #83b7d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ac0",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 192
  },
  "hsl": {
    "h": 197.674,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.64771,
    "c": 0.10215,
    "h": 229
  },
  "luminance": 0.27974
}

Semantic roles & 50–950 ramp

primary

#3F9AC0

secondary

#CAA291

accent

#774EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9AC0

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

Preview Lab → · Contrast checker → · Palette generator →