#339DC5#339DC5

#339DC5 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.111 H 227.7°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#339DC5
RGB	rgb(51, 157, 197)
HSL	hsl(196, 59%, 49%)
HSV	hsv(196, 74%, 77%)
CMYK	cmyk(74.1%, 20.3%, 0%, 22.7%)
CIE-LAB	lab(60.65, -16.57, -29.17)
CIE-LCH	lch(60.65, 33.55, 240.41°)
OKLab	oklab(65.37% -0.0744 -0.0819)
OKLCH	oklch(65.37% 0.111 227.7)
XYZ	xyz(23.4961, 28.8462, 57.1420)
Luminance	0.2885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DC5 #C55B33

analogous

#33C5A4 #339DC5 #3354C5

triadic

#339DC5 #C5339D #9DC533

tetradic

#339DC5 #A433C5 #C55B33 #54C533

square

#339DC5 #A433C5 #C55B33 #54C533

split-complementary

#339DC5 #C53354 #C5A433

monochromatic

#1A5064 #267694 #339DC5 #5FB5D6 #90CCE2

Accessibility & contrast

On white

3.10

#339DC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#339DC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DC5

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DC5	#FFFFFF	#000000	##000000
##339DC5	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC7

Deuteranopia (green-blind)

#748CC4

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339dc5;
/* rgb */ color: rgb(51, 157, 197);
/* oklch */ color: oklch(65.4% 0.111 227.7);

Tailwind

colors: {
  custom: {
    50: '#7fbad6',
    500: '#339dc5',
    950: '#000000',
  },
}

SCSS

$custom: #339dc5;
$custom-light: #7fbad6;
$custom-dark: #000000;

JSON

{
  "hex": "#339dc5",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 197
  },
  "hsl": {
    "h": 196.438,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65373,
    "c": 0.11059,
    "h": 227.7
  },
  "luminance": 0.28849
}

Semantic roles & 50–950 ramp

primary

#339DC5

secondary

#CD9A87

accent

#7146E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #339DC5

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

Preview Lab → · Contrast checker → · Palette generator →