#3799B2#3799B2

#3799B2 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.7% C 0.096 H 218.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3799B2
RGB	rgb(55, 153, 178)
HSL	hsl(192, 53%, 46%)
HSV	hsv(192, 69%, 70%)
CMYK	cmyk(69.1%, 14%, 0%, 30.2%)
CIE-LAB	lab(58.80, -20.12, -21.31)
CIE-LCH	lch(58.80, 29.31, 226.64°)
OKLab	oklab(63.67% -0.0757 -0.0594)
OKLCH	oklch(63.67% 0.096 218.1)
XYZ	xyz(20.9993, 26.8067, 46.1783)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799B2 #B25037

analogous

#37B28D #3799B2 #375BB2

triadic

#3799B2 #B23799 #99B237

tetradic

#3799B2 #8D37B2 #B25037 #5BB237

square

#3799B2 #8D37B2 #B25037 #5BB237

split-complementary

#3799B2 #B2375B #B28D37

monochromatic

#1A4954 #297183 #3799B2 #5AB5CC #89CADB

Accessibility & contrast

On white

3.30

#3799B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#3799B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799B2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799B2	#FFFFFF	#000000	##000000
##3799B2	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8995B3

Deuteranopia (green-blind)

#7888B2

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3799b2;
/* rgb */ color: rgb(55, 153, 178);
/* oklch */ color: oklch(63.7% 0.096 218.1);

Tailwind

colors: {
  custom: {
    50: '#7eb7c9',
    500: '#3799b2',
    950: '#000000',
  },
}

SCSS

$custom: #3799b2;
$custom-light: #7eb7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3799b2",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 178
  },
  "hsl": {
    "h": 192.195,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.63673,
    "c": 0.09621,
    "h": 218.1
  },
  "luminance": 0.26809
}

Semantic roles & 50–950 ramp

primary

#3799B2

secondary

#C58E80

accent

#694CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3799B2

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

Preview Lab → · Contrast checker → · Palette generator →