#3799BD#3799BD

#3799BD is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.104 H 226.5°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3799BD
RGB	rgb(55, 153, 189)
HSL	hsl(196, 55%, 48%)
HSV	hsv(196, 71%, 74%)
CMYK	cmyk(70.9%, 19%, 0%, 25.9%)
CIE-LAB	lab(59.22, -16.54, -26.87)
CIE-LCH	lch(59.22, 31.55, 238.39°)
OKLab	oklab(64.15% -0.0714 -0.0752)
OKLCH	oklch(64.15% 0.104 226.5)
XYZ	xyz(22.1484, 27.2663, 52.2299)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799BD #BD5B37

analogous

#37BD9E #3799BD #3756BD

triadic

#3799BD #BD3799 #99BD37

tetradic

#3799BD #9E37BD #BD5B37 #56BD37

square

#3799BD #9E37BD #BD5B37 #56BD37

split-complementary

#3799BD #BD3756 #BD9E37

monochromatic

#1B4C5E #29738E #3799BD #60B3D1 #90C9DF

Accessibility & contrast

On white

3.25

#3799BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#3799BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799BD

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799BD	#FFFFFF	#000000	##000000
##3799BD	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BF

Deuteranopia (green-blind)

#7389BD

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3799bd;
/* rgb */ color: rgb(55, 153, 189);
/* oklch */ color: oklch(64.2% 0.104 226.5);

Tailwind

colors: {
  custom: {
    50: '#7fb7d1',
    500: '#3799bd',
    950: '#000000',
  },
}

SCSS

$custom: #3799bd;
$custom-light: #7fb7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3799bd",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 189
  },
  "hsl": {
    "h": 196.119,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64154,
    "c": 0.10375,
    "h": 226.5
  },
  "luminance": 0.27269
}

Semantic roles & 50–950 ramp

primary

#3799BD

secondary

#C99886

accent

#714ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3799BD

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

Preview Lab → · Contrast checker → · Palette generator →