#3D99DC#3D99DC

#3D99DC is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.8% C 0.132 H 244.0°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D99DC
RGB	rgb(61, 153, 220)
HSL	hsl(205, 69%, 55%)
HSV	hsv(205, 72%, 86%)
CMYK	cmyk(72.3%, 30.5%, 0%, 13.7%)
CIE-LAB	lab(60.73, -5.20, -41.87)
CIE-LCH	lch(60.73, 42.19, 262.92°)
OKLab	oklab(65.84% -0.0578 -0.1185)
OKLCH	oklch(65.84% 0.132 244)
XYZ	xyz(26.2290, 28.9389, 71.8997)
Luminance	0.2894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99DC #DC803D

analogous

#3DDCCF #3D99DC #3D4ADC

triadic

#3D99DC #DC3D99 #99DC3D

tetradic

#3D99DC #CF3DDC #DC803D #4ADC3D

square

#3D99DC #CF3DDC #DC803D #4ADC3D

split-complementary

#3D99DC #DC3D4A #DCCF3D

monochromatic

#185886 #227ABA #3D99DC #71B4E5 #A5D0EF

Accessibility & contrast

On white

3.09

#3D99DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#3D99DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99DC

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99DC	#FFFFFF	#000000	##000000
##3D99DC	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9BDF

Deuteranopia (green-blind)

#648CDB

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3d99dc;
/* rgb */ color: rgb(61, 153, 220);
/* oklch */ color: oklch(65.8% 0.132 244.0);

Tailwind

colors: {
  custom: {
    50: '#86b6e7',
    500: '#3d99dc',
    950: '#000000',
  },
}

SCSS

$custom: #3d99dc;
$custom-light: #86b6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99dc",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 205.283,
    "s": 69.432,
    "l": 55.098
  },
  "oklch": {
    "l": 0.65842,
    "c": 0.13189,
    "h": 244
  },
  "luminance": 0.28942
}

Semantic roles & 50–950 ramp

primary

#3D99DC

secondary

#DCB599

accent

#863CEC

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3D99DC

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

Preview Lab → · Contrast checker → · Palette generator →