#3399AF#3399AF

#3399AF is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.096 H 215.2°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3399AF
RGB	rgb(51, 153, 175)
HSL	hsl(191, 55%, 44%)
HSV	hsv(191, 71%, 69%)
CMYK	cmyk(70.9%, 12.6%, 0%, 31.4%)
CIE-LAB	lab(58.58, -21.67, -19.94)
CIE-LCH	lch(58.58, 29.45, 222.62°)
OKLab	oklab(63.44% -0.0789 -0.0555)
OKLCH	oklch(63.44% 0.096 215.2)
XYZ	xyz(20.4911, 26.5791, 44.5995)
Luminance	0.2658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399AF #AF4933

analogous

#33AF87 #3399AF #335BAF

triadic

#3399AF #AF3399 #99AF33

tetradic

#3399AF #8733AF #AF4933 #5BAF33

square

#3399AF #8733AF #AF4933 #5BAF33

split-complementary

#3399AF #AF335B #AF8733

monochromatic

#174650 #257080 #3399AF #52B7CD #82CBDB

Accessibility & contrast

On white

3.32

#3399AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#3399AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399AF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399AF	#FFFFFF	#000000	##000000
##3399AF	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A94B0

Deuteranopia (green-blind)

#7887AF

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3399af;
/* rgb */ color: rgb(51, 153, 175);
/* oklch */ color: oklch(63.4% 0.096 215.2);

Tailwind

colors: {
  custom: {
    50: '#7cb7c7',
    500: '#3399af',
    950: '#000000',
  },
}

SCSS

$custom: #3399af;
$custom-light: #7cb7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3399af",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 175
  },
  "hsl": {
    "h": 190.645,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.63437,
    "c": 0.09648,
    "h": 215.2
  },
  "luminance": 0.26581
}

Semantic roles & 50–950 ramp

primary

#3399AF

secondary

#C4877A

accent

#644ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3399AF

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

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