#3799BE#3799BE

#3799BE is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.105 H 227.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3799BE
RGB	rgb(55, 153, 190)
HSL	hsl(196, 55%, 48%)
HSV	hsv(196, 71%, 75%)
CMYK	cmyk(71.1%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.26, -16.21, -27.37)
CIE-LCH	lch(59.26, 31.81, 239.37°)
OKLab	oklab(64.2% -0.071 -0.0767)
OKLCH	oklch(64.2% 0.105 227.2)
XYZ	xyz(22.2573, 27.3099, 52.8035)
Luminance	0.2731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799BE #BE5C37

analogous

#37BE9F #3799BE #3756BE

triadic

#3799BE #BE3799 #99BE37

tetradic

#3799BE #9F37BE #BE5C37 #56BE37

square

#3799BE #9F37BE #BE5C37 #56BE37

split-complementary

#3799BE #BE3756 #BE9F37

monochromatic

#1C4D5F #29738F #3799BE #61B2D1 #90C9DF

Accessibility & contrast

On white

3.25

#3799BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#3799BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799BE

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799BE	#FFFFFF	#000000	##000000
##3799BE	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C0

Deuteranopia (green-blind)

#7389BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3799be;
/* rgb */ color: rgb(55, 153, 190);
/* oklch */ color: oklch(64.2% 0.105 227.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3799be",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 196.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.642,
    "c": 0.10454,
    "h": 227.2
  },
  "luminance": 0.27312
}

Semantic roles & 50–950 ramp

primary

#3799BE

secondary

#CA9987

accent

#7249DE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3799BE

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

Preview Lab → · Contrast checker → · Palette generator →