#339FBB#339FBB

#339FBB is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.4% C 0.103 H 219.0°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#339FBB
RGB	rgb(51, 159, 187)
HSL	hsl(192, 57%, 47%)
HSV	hsv(192, 73%, 73%)
CMYK	cmyk(72.7%, 15%, 0%, 26.7%)
CIE-LAB	lab(60.86, -20.93, -23.24)
CIE-LCH	lch(60.86, 31.27, 227.99°)
OKLab	oklab(65.41% -0.0801 -0.0649)
OKLCH	oklch(65.41% 0.103 219)
XYZ	xyz(22.7293, 29.0853, 51.4202)
Luminance	0.2909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339FBB #BB4F33

analogous

#33BB93 #339FBB #335BBB

triadic

#339FBB #BB339F #9FBB33

tetradic

#339FBB #9333BB #BB4F33 #5BBB33

square

#339FBB #9333BB #BB4F33 #5BBB33

split-complementary

#339FBB #BB335B #BB9333

monochromatic

#194D5B #26768B #339FBB #59B9D2 #89CDDF

Accessibility & contrast

On white

3.08

#339FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#339FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FBB

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339FBB	#FFFFFF	#000000	##000000
##339FBB	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9BBD

Deuteranopia (green-blind)

#7B8DBB

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #339fbb;
/* rgb */ color: rgb(51, 159, 187);
/* oklch */ color: oklch(65.4% 0.103 219.0);

Tailwind

colors: {
  custom: {
    50: '#7ebbcf',
    500: '#339fbb',
    950: '#000000',
  },
}

SCSS

$custom: #339fbb;
$custom-light: #7ebbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#339fbb",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 192.353,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.65413,
    "c": 0.10311,
    "h": 219
  },
  "luminance": 0.29088
}

Semantic roles & 50–950 ramp

primary

#339FBB

secondary

#C99081

accent

#6747E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #339FBB

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

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