#339EB5#339EB5

#339EB5 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 64.9% C 0.100 H 215.2°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#339EB5
RGB	rgb(51, 158, 181)
HSL	hsl(191, 56%, 45%)
HSV	hsv(191, 72%, 71%)
CMYK	cmyk(71.8%, 12.7%, 0%, 29%)
CIE-LAB	lab(60.33, -22.34, -20.67)
CIE-LCH	lch(60.33, 30.43, 222.77°)
OKLab	oklab(64.92% -0.0815 -0.0576)
OKLCH	oklch(64.92% 0.1 215.2)
XYZ	xyz(21.9291, 28.4912, 48.0507)
Luminance	0.2849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339EB5 #B54A33

analogous

#33B58B #339EB5 #335DB5

triadic

#339EB5 #B5339E #9EB533

tetradic

#339EB5 #8B33B5 #B54A33 #5DB533

square

#339EB5 #8B33B5 #B54A33 #5DB533

split-complementary

#339EB5 #B5335D #B58B33

monochromatic

#184B56 #267485 #339EB5 #56BACF #86CDDD

Accessibility & contrast

On white

3.13

#339EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#339EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339EB5

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339EB5	#FFFFFF	#000000	##000000
##339EB5	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B6

Deuteranopia (green-blind)

#7C8CB5

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339eb5;
/* rgb */ color: rgb(51, 158, 181);
/* oklch */ color: oklch(64.9% 0.100 215.2);

Tailwind

colors: {
  custom: {
    50: '#7dbbcb',
    500: '#339eb5',
    950: '#000000',
  },
}

SCSS

$custom: #339eb5;
$custom-light: #7dbbcb;
$custom-dark: #000000;

JSON

{
  "hex": "#339eb5",
  "rgb": {
    "r": 51,
    "g": 158,
    "b": 181
  },
  "hsl": {
    "h": 190.615,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.64916,
    "c": 0.09983,
    "h": 215.2
  },
  "luminance": 0.28494
}

Semantic roles & 50–950 ramp

primary

#339EB5

secondary

#C68A7D

accent

#6348DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339EB5

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

Preview Lab → · Contrast checker → · Palette generator →