#3B99D1#3B99D1

#3B99D1 is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.2% C 0.121 H 238.9°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3B99D1
RGB	rgb(59, 153, 209)
HSL	hsl(202, 62%, 53%)
HSV	hsv(202, 72%, 82%)
CMYK	cmyk(71.8%, 26.8%, 0%, 18%)
CIE-LAB	lab(60.17, -9.25, -36.62)
CIE-LCH	lch(60.17, 37.77, 255.82°)
OKLab	oklab(65.22% -0.0623 -0.1033)
OKLCH	oklch(65.22% 0.121 238.9)
XYZ	xyz(24.6990, 28.3129, 64.4725)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99D1 #D1733B

analogous

#3BD1BE #3B99D1 #3B4ED1

triadic

#3B99D1 #D13B99 #99D13B

tetradic

#3B99D1 #BE3BD1 #D1733B #4ED13B

square

#3B99D1 #BE3BD1 #D1733B #4ED13B

split-complementary

#3B99D1 #D13B4E #D1BE3B

monochromatic

#1C5476 #2778A7 #3B99D1 #6DB3DD #9ECDE8

Accessibility & contrast

On white

3.15

#3B99D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#3B99D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99D1

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99D1	#FFFFFF	#000000	##000000
##3B99D1	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F99D4

Deuteranopia (green-blind)

#6A8BD0

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b99d1;
/* rgb */ color: rgb(59, 153, 209);
/* oklch */ color: oklch(65.2% 0.121 238.9);

Tailwind

colors: {
  custom: {
    50: '#83b6df',
    500: '#3b99d1',
    950: '#000000',
  },
}

SCSS

$custom: #3b99d1;
$custom-light: #83b6df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99d1",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 209
  },
  "hsl": {
    "h": 202.4,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.6522,
    "c": 0.12064,
    "h": 238.9
  },
  "luminance": 0.28316
}

Semantic roles & 50–950 ramp

primary

#3B99D1

secondary

#D4AC93

accent

#7F43E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B99D1

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

Preview Lab → · Contrast checker → · Palette generator →