#339EBC#339EBC

#339EBC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.104 H 220.7°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#339EBC
RGB	rgb(51, 158, 188)
HSL	hsl(193, 57%, 47%)
HSV	hsv(193, 73%, 74%)
CMYK	cmyk(72.9%, 16%, 0%, 26.3%)
CIE-LAB	lab(60.59, -20.08, -24.20)
CIE-LCH	lch(60.59, 31.45, 230.32°)
OKLab	oklab(65.21% -0.0787 -0.0676)
OKLCH	oklch(65.21% 0.104 220.7)
XYZ	xyz(22.6654, 28.7857, 51.9289)
Luminance	0.2879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339EBC #BC5133

analogous

#33BC96 #339EBC #3359BC

triadic

#339EBC #BC339E #9EBC33

tetradic

#339EBC #9633BC #BC5133 #59BC33

square

#339EBC #9633BC #BC5133 #59BC33

split-complementary

#339EBC #BC3359 #BC9633

monochromatic

#194D5C #26768C #339EBC #5AB8D2 #8ACDDF

Accessibility & contrast

On white

3.11

#339EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#339EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339EBC

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339EBC	#FFFFFF	#000000	##000000
##339EBC	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ABE

Deuteranopia (green-blind)

#798CBC

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #339ebc;
/* rgb */ color: rgb(51, 158, 188);
/* oklch */ color: oklch(65.2% 0.104 220.7);

Tailwind

colors: {
  custom: {
    50: '#7ebad0',
    500: '#339ebc',
    950: '#000000',
  },
}

SCSS

$custom: #339ebc;
$custom-light: #7ebad0;
$custom-dark: #000000;

JSON

{
  "hex": "#339ebc",
  "rgb": {
    "r": 51,
    "g": 158,
    "b": 188
  },
  "hsl": {
    "h": 193.139,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.65213,
    "c": 0.10381,
    "h": 220.7
  },
  "luminance": 0.28788
}

Semantic roles & 50–950 ramp

primary

#339EBC

secondary

#C99181

accent

#6947E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #339EBC

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

Preview Lab → · Contrast checker → · Palette generator →