#336CB3#336CB3

#336CB3 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.9% C 0.127 H 255.3°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#336CB3
RGB	rgb(51, 108, 179)
HSL	hsl(213, 56%, 45%)
HSV	hsv(213, 72%, 70%)
CMYK	cmyk(71.5%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(45.20, 5.59, -43.12)
CIE-LCH	lch(45.20, 43.48, 277.39°)
OKLab	oklab(52.88% -0.0323 -0.1229)
OKLCH	oklch(52.88% 0.127 255.3)
XYZ	xyz(14.8615, 14.6820, 44.6898)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336CB3 #B37A33

analogous

#33ACB3 #336CB3 #3A33B3

triadic

#336CB3 #B3336C #6CB333

tetradic

#336CB3 #B333AC #B37A33 #33B33A

square

#336CB3 #B333AC #B37A33 #33B33A

split-complementary

#336CB3 #B33A33 #ACB333

monochromatic

#183354 #254F83 #336CB3 #558BCE #84ABDC

Accessibility & contrast

On white

5.33

#336CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#336CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336CB3

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336CB3	#FFFFFF	#000000	##FFFFFF
##336CB3	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B6

Deuteranopia (green-blind)

#3765B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #336cb3;
/* rgb */ color: rgb(51, 108, 179);
/* oklch */ color: oklch(52.9% 0.127 255.3);

Tailwind

colors: {
  custom: {
    50: '#7a95ca',
    500: '#336cb3',
    950: '#000000',
  },
}

SCSS

$custom: #336cb3;
$custom-light: #7a95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#336cb3",
  "rgb": {
    "r": 51,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 213.281,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52879,
    "c": 0.12711,
    "h": 255.3
  },
  "luminance": 0.14684
}

Semantic roles & 50–950 ramp

primary

#336CB3

secondary

#C6A57C

accent

#9C49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336CB3

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

Preview Lab → · Contrast checker → · Palette generator →