#3399B8#3399B8

#3399B8 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.102 H 222.3°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3399B8
RGB	rgb(51, 153, 184)
HSL	hsl(194, 57%, 46%)
HSV	hsv(194, 72%, 72%)
CMYK	cmyk(72.3%, 16.8%, 0%, 27.8%)
CIE-LAB	lab(58.92, -18.74, -24.51)
CIE-LCH	lch(58.92, 30.86, 232.60°)
OKLab	oklab(63.82% -0.0753 -0.0685)
OKLCH	oklch(63.82% 0.102 222.3)
XYZ	xyz(21.4046, 26.9445, 49.4108)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399B8 #B85233

analogous

#33B894 #3399B8 #3356B8

triadic

#3399B8 #B83399 #99B833

tetradic

#3399B8 #9433B8 #B85233 #56B833

square

#3399B8 #9433B8 #B85233 #56B833

split-complementary

#3399B8 #B83356 #B89433

monochromatic

#184958 #267188 #3399B8 #58B4D1 #88CADE

Accessibility & contrast

On white

3.29

#3399B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3399B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399B8

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399B8	#FFFFFF	#000000	##000000
##3399B8	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8795BA

Deuteranopia (green-blind)

#7588B8

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3399b8;
/* rgb */ color: rgb(51, 153, 184);
/* oklch */ color: oklch(63.8% 0.102 222.3);

Tailwind

colors: {
  custom: {
    50: '#7db7cd',
    500: '#3399b8',
    950: '#000000',
  },
}

SCSS

$custom: #3399b8;
$custom-light: #7db7cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3399b8",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 184
  },
  "hsl": {
    "h": 193.985,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.63823,
    "c": 0.10183,
    "h": 222.3
  },
  "luminance": 0.26947
}

Semantic roles & 50–950 ramp

primary

#3399B8

secondary

#C8907F

accent

#6B48E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3399B8

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

Preview Lab → · Contrast checker → · Palette generator →