#3397BB#3397BB

#3397BB is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.5% C 0.104 H 226.3°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3397BB
RGB	rgb(51, 151, 187)
HSL	hsl(196, 57%, 47%)
HSV	hsv(196, 73%, 73%)
CMYK	cmyk(72.7%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.44, -16.68, -26.96)
CIE-LCH	lch(58.44, 31.70, 238.26°)
OKLab	oklab(63.47% -0.0722 -0.0756)
OKLCH	oklch(63.47% 0.104 226.3)
XYZ	xyz(21.3978, 26.4224, 50.9764)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3397BB #BB5733

analogous

#33BB9B #3397BB #3353BB

triadic

#3397BB #BB3397 #97BB33

tetradic

#3397BB #9B33BB #BB5733 #53BB33

square

#3397BB #9B33BB #BB5733 #53BB33

split-complementary

#3397BB #BB3353 #BB9B33

monochromatic

#19495B #26708B #3397BB #59B2D2 #89C8DF

Accessibility & contrast

On white

3.34

#3397BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3397BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3397BB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3397BB	#FFFFFF	#000000	##000000
##3397BB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BD

Deuteranopia (green-blind)

#7187BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3397bb;
/* rgb */ color: rgb(51, 151, 187);
/* oklch */ color: oklch(63.5% 0.104 226.3);

Tailwind

colors: {
  custom: {
    50: '#7db5cf',
    500: '#3397bb',
    950: '#000000',
  },
}

SCSS

$custom: #3397bb;
$custom-light: #7db5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3397bb",
  "rgb": {
    "r": 51,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 195.882,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63472,
    "c": 0.10447,
    "h": 226.3
  },
  "luminance": 0.26425
}

Semantic roles & 50–950 ramp

primary

#3397BB

secondary

#C99481

accent

#7047E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3397BB

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

Preview Lab → · Contrast checker → · Palette generator →