#3D99D3#3D99D3

#3D99D3 is a light, vivid cyan. Relative luminance 0.285; OKLCH L 65.4% C 0.122 H 240.2°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3D99D3
RGB	rgb(61, 153, 211)
HSL	hsl(203, 63%, 53%)
HSV	hsv(203, 71%, 83%)
CMYK	cmyk(71.1%, 27.5%, 0%, 17.3%)
CIE-LAB	lab(60.32, -8.29, -37.50)
CIE-LCH	lch(60.32, 38.41, 257.53°)
OKLab	oklab(65.38% -0.0606 -0.1059)
OKLCH	oklch(65.38% 0.122 240.2)
XYZ	xyz(25.0690, 28.4749, 65.7904)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99D3 #D3773D

analogous

#3DD3C2 #3D99D3 #3D4ED3

triadic

#3D99D3 #D33D99 #99D33D

tetradic

#3D99D3 #C23DD3 #D3773D #4ED33D

square

#3D99D3 #C23DD3 #D3773D #4ED33D

split-complementary

#3D99D3 #D33D4E #D3C23D

monochromatic

#1C557A #2778AC #3D99D3 #6FB3DE #A1CDEA

Accessibility & contrast

On white

3.14

#3D99D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#3D99D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99D3

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99D3	#FFFFFF	#000000	##000000
##3D99D3	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E99D6

Deuteranopia (green-blind)

#6A8BD2

Tritanopia (blue-blind)

#00A7AD

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3d99d3;
/* rgb */ color: rgb(61, 153, 211);
/* oklch */ color: oklch(65.4% 0.122 240.2);

Tailwind

colors: {
  custom: {
    50: '#84b6e0',
    500: '#3d99d3',
    950: '#000000',
  },
}

SCSS

$custom: #3d99d3;
$custom-light: #84b6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99d3",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 211
  },
  "hsl": {
    "h": 203.2,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6538,
    "c": 0.12196,
    "h": 240.2
  },
  "luminance": 0.28478
}

Semantic roles & 50–950 ramp

primary

#3D99D3

secondary

#D6AF96

accent

#8142E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3D99D3

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

Preview Lab → · Contrast checker → · Palette generator →