#3F99C2#3F99C2

#3F99C2 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.104 H 231.3°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F99C2
RGB	rgb(63, 153, 194)
HSL	hsl(199, 52%, 50%)
HSV	hsv(199, 68%, 76%)
CMYK	cmyk(67.5%, 21.1%, 0%, 23.9%)
CIE-LAB	lab(59.65, -13.69, -29.01)
CIE-LCH	lch(59.65, 32.08, 244.73°)
OKLab	oklab(64.62% -0.0652 -0.0813)
OKLCH	oklch(64.62% 0.104 231.3)
XYZ	xyz(23.1749, 27.7318, 55.1599)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F99C2 #C2683F

analogous

#3FC2AA #3F99C2 #3F57C2

triadic

#3F99C2 #C23F99 #99C23F

tetradic

#3F99C2 #AA3FC2 #C2683F #57C23F

square

#3F99C2 #AA3FC2 #C2683F #57C23F

split-complementary

#3F99C2 #C23F57 #C2AA3F

monochromatic

#205066 #2F7595 #3F99C2 #6DB2D1 #9CCAE0

Accessibility & contrast

On white

3.21

#3F99C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#3F99C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F99C2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F99C2	#FFFFFF	#000000	##000000
##3F99C2	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8497C4

Deuteranopia (green-blind)

#728AC1

Tritanopia (blue-blind)

#00A4A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f99c2;
/* rgb */ color: rgb(63, 153, 194);
/* oklch */ color: oklch(64.6% 0.104 231.3);

Tailwind

colors: {
  custom: {
    50: '#83b7d4',
    500: '#3f99c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f99c2;
$custom-light: #83b7d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f99c2",
  "rgb": {
    "r": 63,
    "g": 153,
    "b": 194
  },
  "hsl": {
    "h": 198.779,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.64624,
    "c": 0.10424,
    "h": 231.3
  },
  "luminance": 0.27734
}

Semantic roles & 50–950 ramp

primary

#3F99C2

secondary

#CCA391

accent

#794DDB

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F99C2

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

Preview Lab → · Contrast checker → · Palette generator →