#3799C7#3799C7

#3799C7 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.112 H 232.9°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3799C7
RGB	rgb(55, 153, 199)
HSL	hsl(199, 57%, 50%)
HSV	hsv(199, 72%, 78%)
CMYK	cmyk(72.4%, 23.1%, 0%, 22%)
CIE-LAB	lab(59.63, -13.20, -31.86)
CIE-LCH	lch(59.63, 34.49, 247.50°)
OKLab	oklab(64.62% -0.0678 -0.0896)
OKLCH	oklch(64.62% 0.112 232.9)
XYZ	xyz(23.2715, 27.7155, 58.1449)
Luminance	0.2772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799C7 #C76537

analogous

#37C7AD #3799C7 #3751C7

triadic

#3799C7 #C73799 #99C737

tetradic

#3799C7 #AD37C7 #C76537 #51C737

square

#3799C7 #AD37C7 #C76537 #51C737

split-complementary

#3799C7 #C73751 #C7AD37

monochromatic

#1C4F67 #2A7497 #3799C7 #66B2D5 #96CAE2

Accessibility & contrast

On white

3.21

#3799C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3799C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799C7

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799C7	#FFFFFF	#000000	##000000
##3799C7	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8297C9

Deuteranopia (green-blind)

#6F89C6

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3799c7;
/* rgb */ color: rgb(55, 153, 199);
/* oklch */ color: oklch(64.6% 0.112 232.9);

Tailwind

colors: {
  custom: {
    50: '#80b7d8',
    500: '#3799c7',
    950: '#000000',
  },
}

SCSS

$custom: #3799c7;
$custom-light: #80b7d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3799c7",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 199
  },
  "hsl": {
    "h": 199.167,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.64618,
    "c": 0.11235,
    "h": 232.9
  },
  "luminance": 0.27718
}

Semantic roles & 50–950 ramp

primary

#3799C7

secondary

#CDA18C

accent

#7848E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3799C7

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

Preview Lab → · Contrast checker → · Palette generator →