#339BB1#339BB1

#339BB1 is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.0% C 0.098 H 214.9°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#339BB1
RGB	rgb(51, 155, 177)
HSL	hsl(190, 55%, 45%)
HSV	hsv(190, 71%, 69%)
CMYK	cmyk(71.2%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(59.27, -22.07, -20.03)
CIE-LCH	lch(59.27, 29.80, 222.23°)
OKLab	oklab(64.01% -0.0801 -0.0558)
OKLCH	oklch(64.01% 0.098 214.9)
XYZ	xyz(21.0191, 27.3184, 45.7517)
Luminance	0.2732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339BB1 #B14933

analogous

#33B188 #339BB1 #335CB1

triadic

#339BB1 #B1339B #9BB133

tetradic

#339BB1 #8833B1 #B14933 #5CB133

square

#339BB1 #8833B1 #B14933 #5CB133

split-complementary

#339BB1 #B1335C #B18833

monochromatic

#184852 #257181 #339BB1 #54B8CE #83CCDB

Accessibility & contrast

On white

3.25

#339BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#339BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BB1

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339BB1	#FFFFFF	#000000	##000000
##339BB1	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B2

Deuteranopia (green-blind)

#7A89B1

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #339bb1;
/* rgb */ color: rgb(51, 155, 177);
/* oklch */ color: oklch(64.0% 0.098 214.9);

Tailwind

colors: {
  custom: {
    50: '#7cb8c8',
    500: '#339bb1',
    950: '#000000',
  },
}

SCSS

$custom: #339bb1;
$custom-light: #7cb8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#339bb1",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 190.476,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64012,
    "c": 0.09762,
    "h": 214.9
  },
  "luminance": 0.27321
}

Semantic roles & 50–950 ramp

primary

#339BB1

secondary

#C5887B

accent

#6349DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339BB1

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

Preview Lab → · Contrast checker → · Palette generator →