#3799B7#3799B7

#3799B7 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 63.9% C 0.099 H 222.1°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3799B7
RGB	rgb(55, 153, 183)
HSL	hsl(194, 54%, 47%)
HSV	hsv(194, 70%, 72%)
CMYK	cmyk(69.9%, 16.4%, 0%, 28.2%)
CIE-LAB	lab(58.98, -18.51, -23.85)
CIE-LCH	lch(58.98, 30.19, 232.18°)
OKLab	oklab(63.89% -0.0737 -0.0666)
OKLCH	oklch(63.89% 0.099 222.1)
XYZ	xyz(21.5105, 27.0112, 48.8706)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3799B7 #B75537

analogous

#37B795 #3799B7 #3759B7

triadic

#3799B7 #B73799 #99B737

tetradic

#3799B7 #9537B7 #B75537 #59B737

square

#3799B7 #9537B7 #B75537 #59B737

split-complementary

#3799B7 #B73759 #B79537

monochromatic

#1B4A59 #297288 #3799B7 #5DB4CE #8CCADC

Accessibility & contrast

On white

3.28

#3799B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#3799B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799B7

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3799B7	#FFFFFF	#000000	##000000
##3799B7	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8795B9

Deuteranopia (green-blind)

#7688B7

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3799b7;
/* rgb */ color: rgb(55, 153, 183);
/* oklch */ color: oklch(63.9% 0.099 222.1);

Tailwind

colors: {
  custom: {
    50: '#7eb7cc',
    500: '#3799b7',
    950: '#000000',
  },
}

SCSS

$custom: #3799b7;
$custom-light: #7eb7cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3799b7",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 183
  },
  "hsl": {
    "h": 194.063,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63888,
    "c": 0.09934,
    "h": 222.1
  },
  "luminance": 0.27014
}

Semantic roles & 50–950 ramp

primary

#3799B7

secondary

#C79383

accent

#6D4BDD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3799B7

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

Preview Lab → · Contrast checker → · Palette generator →