#3399AA#3399AA

#3399AA is a light, moderate teal. Relative luminance 0.264; OKLCH L 63.2% C 0.094 H 210.8°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3399AA
RGB	rgb(51, 153, 170)
HSL	hsl(189, 54%, 43%)
HSV	hsv(189, 70%, 67%)
CMYK	cmyk(70%, 10%, 0%, 33.3%)
CIE-LAB	lab(58.40, -23.26, -17.38)
CIE-LCH	lch(58.40, 29.03, 216.77°)
OKLab	oklab(63.23% -0.0809 -0.0483)
OKLCH	oklch(63.23% 0.094 210.8)
XYZ	xyz(20.0091, 26.3863, 42.0609)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399AA #AA4433

analogous

#33AA7F #3399AA #335EAA

triadic

#3399AA #AA3399 #99AA33

tetradic

#3399AA #7F33AA #AA4433 #5EAA33

square

#3399AA #7F33AA #AA4433 #5EAA33

split-complementary

#3399AA #AA335E #AA7F33

monochromatic

#17444C #256F7B #3399AA #50B9CA #7FCCD9

Accessibility & contrast

On white

3.35

#3399AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3399AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399AA

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399AA	#FFFFFF	#000000	##000000
##3399AA	1.00	3.35	6.28	6.28
#FFFFFF	3.35	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)

#8B94AB

Deuteranopia (green-blind)

#7A87AA

Tritanopia (blue-blind)

#00A09E

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3399aa;
/* rgb */ color: rgb(51, 153, 170);
/* oklch */ color: oklch(63.2% 0.094 210.8);

Tailwind

colors: {
  custom: {
    50: '#7bb7c3',
    500: '#3399aa',
    950: '#000000',
  },
}

SCSS

$custom: #3399aa;
$custom-light: #7bb7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3399aa",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 170
  },
  "hsl": {
    "h": 188.571,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63231,
    "c": 0.09427,
    "h": 210.8
  },
  "luminance": 0.26389
}

Semantic roles & 50–950 ramp

primary

#3399AA

secondary

#C28277

accent

#604BDD

background

#F8FBFB

surface

#EFF6F7

border

#CAD0D0

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3399AA

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

Preview Lab → · Contrast checker → · Palette generator →