#3397B3#3397B3

#3397B3 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.099 H 220.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3397B3
RGB	rgb(51, 151, 179)
HSL	hsl(193, 56%, 45%)
HSV	hsv(193, 72%, 70%)
CMYK	cmyk(71.5%, 15.6%, 0%, 29.8%)
CIE-LAB	lab(58.12, -19.32, -22.91)
CIE-LCH	lch(58.12, 29.97, 229.87°)
OKLab	oklab(63.12% -0.0752 -0.064)
OKLCH	oklch(63.12% 0.099 220.4)
XYZ	xyz(20.5652, 26.0893, 46.5910)
Luminance	0.2609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3397B3 #B34F33

analogous

#33B38F #3397B3 #3357B3

triadic

#3397B3 #B33397 #97B333

tetradic

#3397B3 #8F33B3 #B34F33 #57B333

square

#3397B3 #8F33B3 #B34F33 #57B333

split-complementary

#3397B3 #B33357 #B38F33

monochromatic

#184754 #256F83 #3397B3 #55B4CE #84C9DC

Accessibility & contrast

On white

3.38

#3397B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#3397B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3397B3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3397B3	#FFFFFF	#000000	##000000
##3397B3	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B4

Deuteranopia (green-blind)

#7486B3

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3397b3;
/* rgb */ color: rgb(51, 151, 179);
/* oklch */ color: oklch(63.1% 0.099 220.4);

Tailwind

colors: {
  custom: {
    50: '#7cb5c9',
    500: '#3397b3',
    950: '#000000',
  },
}

SCSS

$custom: #3397b3;
$custom-light: #7cb5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3397b3",
  "rgb": {
    "r": 51,
    "g": 151,
    "b": 179
  },
  "hsl": {
    "h": 193.125,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63116,
    "c": 0.09876,
    "h": 220.4
  },
  "luminance": 0.26092
}

Semantic roles & 50–950 ramp

primary

#3397B3

secondary

#C68C7C

accent

#6A49DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3397B3

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

Preview Lab → · Contrast checker → · Palette generator →