#339EB4#339EB4

#339EB4 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 64.9% C 0.099 H 214.4°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#339EB4
RGB	rgb(51, 158, 180)
HSL	hsl(190, 56%, 45%)
HSV	hsv(190, 72%, 71%)
CMYK	cmyk(71.7%, 12.2%, 0%, 29.4%)
CIE-LAB	lab(60.29, -22.66, -20.16)
CIE-LCH	lch(60.29, 30.33, 221.65°)
OKLab	oklab(64.87% -0.0819 -0.0561)
OKLCH	oklch(64.87% 0.099 214.4)
XYZ	xyz(21.8268, 28.4503, 47.5123)
Luminance	0.2845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339EB4 #B44933

analogous

#33B48A #339EB4 #335DB4

triadic

#339EB4 #B4339E #9EB433

tetradic

#339EB4 #8A33B4 #B44933 #5DB433

square

#339EB4 #8A33B4 #B44933 #5DB433

split-complementary

#339EB4 #B4335D #B48A33

monochromatic

#184A55 #257484 #339EB4 #55BACF #85CEDC

Accessibility & contrast

On white

3.14

#339EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#339EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339EB4

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339EB4	#FFFFFF	#000000	##000000
##339EB4	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B5

Deuteranopia (green-blind)

#7C8CB4

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #339eb4;
/* rgb */ color: rgb(51, 158, 180);
/* oklch */ color: oklch(64.9% 0.099 214.4);

Tailwind

colors: {
  custom: {
    50: '#7dbbca',
    500: '#339eb4',
    950: '#000000',
  },
}

SCSS

$custom: #339eb4;
$custom-light: #7dbbca;
$custom-dark: #000000;

JSON

{
  "hex": "#339eb4",
  "rgb": {
    "r": 51,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 190.233,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.64874,
    "c": 0.09933,
    "h": 214.4
  },
  "luminance": 0.28453
}

Semantic roles & 50–950 ramp

primary

#339EB4

secondary

#C6897D

accent

#6249DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339EB4

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

Preview Lab → · Contrast checker → · Palette generator →