#3799B8#3799B8

#3799B8 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 63.9% C 0.100 H 222.9°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3799B8
RGB	rgb(55, 153, 184)
HSL	hsl(194, 54%, 47%)
HSV	hsv(194, 70%, 72%)
CMYK	cmyk(70.1%, 16.8%, 0%, 27.8%)
CIE-LAB	lab(59.02, -18.18, -24.35)
CIE-LCH	lch(59.02, 30.39, 233.25°)
OKLab	oklab(63.93% -0.0733 -0.068)
OKLCH	oklch(63.93% 0.1 222.9)
XYZ	xyz(21.6150, 27.0529, 49.4207)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799B8 #B85637

analogous

#37B897 #3799B8 #3758B8

triadic

#3799B8 #B83799 #99B837

tetradic

#3799B8 #9737B8 #B85637 #58B837

square

#3799B8 #9737B8 #B85637 #58B837

split-complementary

#3799B8 #B83758 #B89737

monochromatic

#1B4B5A #297289 #3799B8 #5DB4CF #8DCADD

Accessibility & contrast

On white

3.28

#3799B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#3799B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799B8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799B8	#FFFFFF	#000000	##000000
##3799B8	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8795BA

Deuteranopia (green-blind)

#7588B8

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3799b8;
/* rgb */ color: rgb(55, 153, 184);
/* oklch */ color: oklch(63.9% 0.100 222.9);

Tailwind

colors: {
  custom: {
    50: '#7eb7cd',
    500: '#3799b8',
    950: '#000000',
  },
}

SCSS

$custom: #3799b8;
$custom-light: #7eb7cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3799b8",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 184
  },
  "hsl": {
    "h": 194.419,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.63932,
    "c": 0.10003,
    "h": 222.9
  },
  "luminance": 0.27055
}

Semantic roles & 50–950 ramp

primary

#3799B8

secondary

#C79484

accent

#6E4ADD

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3799B8

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

Preview Lab → · Contrast checker → · Palette generator →