#3B99C9#3B99C9

#3B99C9 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.113 H 234.7°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B99C9
RGB	rgb(59, 153, 201)
HSL	hsl(200, 57%, 51%)
HSV	hsv(200, 71%, 79%)
CMYK	cmyk(70.6%, 23.9%, 0%, 21.2%)
CIE-LAB	lab(59.82, -11.97, -32.68)
CIE-LCH	lch(59.82, 34.80, 249.89°)
OKLab	oklab(64.83% -0.065 -0.0919)
OKLCH	oklch(64.83% 0.113 234.7)
XYZ	xyz(23.7333, 27.9267, 59.3866)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99C9 #C96B3B

analogous

#3BC9B2 #3B99C9 #3B52C9

triadic

#3B99C9 #C93B99 #99C93B

tetradic

#3B99C9 #B23BC9 #C96B3B #52C93B

square

#3B99C9 #B23BC9 #C96B3B #52C93B

split-complementary

#3B99C9 #C93B52 #C9B23B

monochromatic

#1E516C #2B769C #3B99C9 #6BB2D6 #9BCBE3

Accessibility & contrast

On white

3.19

#3B99C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#3B99C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99C9

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99C9	#FFFFFF	#000000	##000000
##3B99C9	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8298CB

Deuteranopia (green-blind)

#6E8AC8

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3b99c9;
/* rgb */ color: rgb(59, 153, 201);
/* oklch */ color: oklch(64.8% 0.113 234.7);

Tailwind

colors: {
  custom: {
    50: '#82b7d9',
    500: '#3b99c9',
    950: '#000000',
  },
}

SCSS

$custom: #3b99c9;
$custom-light: #82b7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99c9",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 201
  },
  "hsl": {
    "h": 200.282,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.64829,
    "c": 0.11257,
    "h": 234.7
  },
  "luminance": 0.27929
}

Semantic roles & 50–950 ramp

primary

#3B99C9

secondary

#CFA690

accent

#7B48E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B99C9

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

Preview Lab → · Contrast checker → · Palette generator →