#3399AB#3399AB

#3399AB is a light, moderate teal. Relative luminance 0.264; OKLCH L 63.3% C 0.095 H 211.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3399AB
RGB	rgb(51, 153, 171)
HSL	hsl(189, 54%, 44%)
HSV	hsv(189, 70%, 67%)
CMYK	cmyk(70.2%, 10.5%, 0%, 32.9%)
CIE-LAB	lab(58.44, -22.94, -17.89)
CIE-LCH	lch(58.44, 29.09, 217.95°)
OKLab	oklab(63.27% -0.0805 -0.0498)
OKLCH	oklch(63.27% 0.095 211.7)
XYZ	xyz(20.1040, 26.4242, 42.5610)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399AB #AB4533

analogous

#33AB81 #3399AB #335DAB

triadic

#3399AB #AB3399 #99AB33

tetradic

#3399AB #8133AB #AB4533 #5DAB33

square

#3399AB #8133AB #AB4533 #5DAB33

split-complementary

#3399AB #AB335D #AB8133

monochromatic

#17454D #256F7C #3399AB #50B9CB #7FCCD9

Accessibility & contrast

On white

3.34

#3399AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#3399AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399AB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399AB	#FFFFFF	#000000	##000000
##3399AB	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B94AC

Deuteranopia (green-blind)

#7A87AB

Tritanopia (blue-blind)

#00A19E

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3399ab;
/* rgb */ color: rgb(51, 153, 171);
/* oklch */ color: oklch(63.3% 0.095 211.7);

Tailwind

colors: {
  custom: {
    50: '#7bb7c4',
    500: '#3399ab',
    950: '#000000',
  },
}

SCSS

$custom: #3399ab;
$custom-light: #7bb7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3399ab",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 171
  },
  "hsl": {
    "h": 189,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.63272,
    "c": 0.09467,
    "h": 211.7
  },
  "luminance": 0.26427
}

Semantic roles & 50–950 ramp

primary

#3399AB

secondary

#C28378

accent

#604ADD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3399AB

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

Preview Lab → · Contrast checker → · Palette generator →