#339BC5#339BC5

#339BC5 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.111 H 229.4°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#339BC5
RGB	rgb(51, 155, 197)
HSL	hsl(197, 59%, 49%)
HSV	hsv(197, 74%, 77%)
CMYK	cmyk(74.1%, 21.3%, 0%, 22.7%)
CIE-LAB	lab(60.05, -15.49, -30.10)
CIE-LCH	lch(60.05, 33.85, 242.78°)
OKLab	oklab(64.89% -0.0724 -0.0845)
OKLCH	oklch(64.89% 0.111 229.4)
XYZ	xyz(23.1605, 28.1750, 57.0302)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BC5 #C55D33

analogous

#33C5A6 #339BC5 #3352C5

triadic

#339BC5 #C5339B #9BC533

tetradic

#339BC5 #A633C5 #C55D33 #52C533

square

#339BC5 #A633C5 #C55D33 #52C533

split-complementary

#339BC5 #C53352 #C5A633

monochromatic

#1A4E64 #267594 #339BC5 #5FB4D6 #90CBE2

Accessibility & contrast

On white

3.16

#339BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#339BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BC5

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BC5	#FFFFFF	#000000	##000000
##339BC5	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8599C7

Deuteranopia (green-blind)

#728BC4

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339bc5;
/* rgb */ color: rgb(51, 155, 197);
/* oklch */ color: oklch(64.9% 0.111 229.4);

Tailwind

colors: {
  custom: {
    50: '#7fb8d6',
    500: '#339bc5',
    950: '#000000',
  },
}

SCSS

$custom: #339bc5;
$custom-light: #7fb8d6;
$custom-dark: #000000;

JSON

{
  "hex": "#339bc5",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 197
  },
  "hsl": {
    "h": 197.26,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64894,
    "c": 0.11131,
    "h": 229.4
  },
  "luminance": 0.28178
}

Semantic roles & 50–950 ramp

primary

#339BC5

secondary

#CD9B87

accent

#7346E2

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #339BC5

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

Preview Lab → · Contrast checker → · Palette generator →