#339DB9#339DB9

#339DB9 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.102 H 219.3°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#339DB9
RGB	rgb(51, 157, 185)
HSL	hsl(193, 57%, 46%)
HSV	hsv(193, 72%, 73%)
CMYK	cmyk(72.4%, 15.1%, 0%, 27.5%)
CIE-LAB	lab(60.17, -20.53, -23.16)
CIE-LCH	lch(60.17, 30.95, 228.44°)
OKLab	oklab(64.84% -0.0789 -0.0647)
OKLCH	oklch(64.84% 0.102 219.3)
XYZ	xyz(22.1755, 28.3179, 50.1867)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DB9 #B94F33

analogous

#33B992 #339DB9 #335AB9

triadic

#339DB9 #B9339D #9DB933

tetradic

#339DB9 #9233B9 #B94F33 #5AB933

square

#339DB9 #9233B9 #B94F33 #5AB933

split-complementary

#339DB9 #B9335A #B99233

monochromatic

#194C59 #267489 #339DB9 #58B8D1 #88CCDE

Accessibility & contrast

On white

3.15

#339DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#339DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DB9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DB9	#FFFFFF	#000000	##000000
##339DB9	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C99BB

Deuteranopia (green-blind)

#798BB9

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339db9;
/* rgb */ color: rgb(51, 157, 185);
/* oklch */ color: oklch(64.8% 0.102 219.3);

Tailwind

colors: {
  custom: {
    50: '#7dbace',
    500: '#339db9',
    950: '#000000',
  },
}

SCSS

$custom: #339db9;
$custom-light: #7dbace;
$custom-dark: #000000;

JSON

{
  "hex": "#339db9",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 185
  },
  "hsl": {
    "h": 192.537,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.6484,
    "c": 0.10203,
    "h": 219.3
  },
  "luminance": 0.28321
}

Semantic roles & 50–950 ramp

primary

#339DB9

secondary

#C88F80

accent

#6848E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339DB9

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

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