#339DBB#339DBB

#339DBB is a light, moderate cyan. Relative luminance 0.284; OKLCH L 64.9% C 0.103 H 220.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#339DBB
RGB	rgb(51, 157, 187)
HSL	hsl(193, 57%, 47%)
HSV	hsv(193, 73%, 73%)
CMYK	cmyk(72.7%, 16%, 0%, 26.7%)
CIE-LAB	lab(60.25, -19.88, -24.17)
CIE-LCH	lch(60.25, 31.29, 230.56°)
OKLab	oklab(64.93% -0.0781 -0.0675)
OKLCH	oklch(64.93% 0.103 220.8)
XYZ	xyz(22.3881, 28.4030, 51.3065)
Luminance	0.2841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339DBB #BB5133

analogous

#33BB95 #339DBB #3359BB

triadic

#339DBB #BB339D #9DBB33

tetradic

#339DBB #9533BB #BB5133 #59BB33

square

#339DBB #9533BB #BB5133 #59BB33

split-complementary

#339DBB #BB3359 #BB9533

monochromatic

#194C5B #26758B #339DBB #59B7D2 #89CCDF

Accessibility & contrast

On white

3.14

#339DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#339DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DBB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339DBB	#FFFFFF	#000000	##000000
##339DBB	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B99BD

Deuteranopia (green-blind)

#788BBB

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339dbb;
/* rgb */ color: rgb(51, 157, 187);
/* oklch */ color: oklch(64.9% 0.103 220.8);

Tailwind

colors: {
  custom: {
    50: '#7ebacf',
    500: '#339dbb',
    950: '#000000',
  },
}

SCSS

$custom: #339dbb;
$custom-light: #7ebacf;
$custom-dark: #000000;

JSON

{
  "hex": "#339dbb",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 187
  },
  "hsl": {
    "h": 193.235,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.64927,
    "c": 0.10328,
    "h": 220.8
  },
  "luminance": 0.28406
}

Semantic roles & 50–950 ramp

primary

#339DBB

secondary

#C99181

accent

#6947E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339DBB

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

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