#339CBB#339CBB

#339CBB is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.103 H 221.8°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#339CBB
RGB	rgb(51, 156, 187)
HSL	hsl(194, 57%, 47%)
HSV	hsv(194, 73%, 73%)
CMYK	cmyk(72.7%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(59.95, -19.35, -24.63)
CIE-LCH	lch(59.95, 31.32, 231.85°)
OKLab	oklab(64.68% -0.0771 -0.0689)
OKLCH	oklch(64.68% 0.103 221.8)
XYZ	xyz(22.2196, 28.0660, 51.2503)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CBB #BB5233

analogous

#33BB96 #339CBB #3358BB

triadic

#339CBB #BB339C #9CBB33

tetradic

#339CBB #9633BB #BB5233 #58BB33

square

#339CBB #9633BB #BB5233 #58BB33

split-complementary

#339CBB #BB3358 #BB9633

monochromatic

#194C5B #26748B #339CBB #59B6D2 #89CBDF

Accessibility & contrast

On white

3.18

#339CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#339CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CBB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CBB	#FFFFFF	#000000	##000000
##339CBB	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BD

Deuteranopia (green-blind)

#778BBB

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #339cbb;
/* rgb */ color: rgb(51, 156, 187);
/* oklch */ color: oklch(64.7% 0.103 221.8);

Tailwind

colors: {
  custom: {
    50: '#7eb9cf',
    500: '#339cbb',
    950: '#000000',
  },
}

SCSS

$custom: #339cbb;
$custom-light: #7eb9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#339cbb",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 193.676,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.64684,
    "c": 0.1034,
    "h": 221.8
  },
  "luminance": 0.28069
}

Semantic roles & 50–950 ramp

primary

#339CBB

secondary

#C99181

accent

#6A47E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339CBB

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

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