#3B99D4#3B99D4

#3B99D4 is a light, vivid cyan. Relative luminance 0.285; OKLCH L 65.4% C 0.124 H 240.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3B99D4
RGB	rgb(59, 153, 212)
HSL	hsl(203, 64%, 53%)
HSV	hsv(203, 72%, 83%)
CMYK	cmyk(72.2%, 27.8%, 0%, 16.9%)
CIE-LAB	lab(60.30, -8.22, -38.08)
CIE-LCH	lch(60.30, 38.96, 257.81°)
OKLab	oklab(65.37% -0.0613 -0.1075)
OKLCH	oklch(65.37% 0.124 240.3)
XYZ	xyz(25.0739, 28.4629, 66.4470)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99D4 #D4763B

analogous

#3BD4C2 #3B99D4 #3B4CD4

triadic

#3B99D4 #D43B99 #99D43B

tetradic

#3B99D4 #C23BD4 #D4763B #4CD43B

square

#3B99D4 #C23BD4 #D4763B #4CD43B

split-complementary

#3B99D4 #D43B4C #D4C23B

monochromatic

#1B557A #2678AC #3B99D4 #6DB3DF #9FCDEA

Accessibility & contrast

On white

3.14

#3B99D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#3B99D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99D4

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99D4	#FFFFFF	#000000	##000000
##3B99D4	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E99D7

Deuteranopia (green-blind)

#698BD3

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b99d4;
/* rgb */ color: rgb(59, 153, 212);
/* oklch */ color: oklch(65.4% 0.124 240.3);

Tailwind

colors: {
  custom: {
    50: '#84b6e1',
    500: '#3b99d4',
    950: '#000000',
  },
}

SCSS

$custom: #3b99d4;
$custom-light: #84b6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99d4",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 212
  },
  "hsl": {
    "h": 203.137,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65371,
    "c": 0.12382,
    "h": 240.3
  },
  "luminance": 0.28466
}

Semantic roles & 50–950 ramp

primary

#3B99D4

secondary

#D6AE94

accent

#8141E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B99D4

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

Preview Lab → · Contrast checker → · Palette generator →