#336BB9#336BB9

#336BB9 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 53.0% C 0.136 H 257.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#336BB9
RGB	rgb(51, 107, 185)
HSL	hsl(215, 57%, 46%)
HSV	hsv(215, 72%, 73%)
CMYK	cmyk(72.4%, 42.2%, 0%, 27.5%)
CIE-LAB	lab(45.25, 8.44, -46.53)
CIE-LCH	lch(45.25, 47.29, 280.28°)
OKLab	oklab(53.03% -0.03 -0.133)
OKLCH	oklch(53.03% 0.136 257.3)
XYZ	xyz(15.3767, 14.7203, 47.9204)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BB9 #B98133

analogous

#33AEB9 #336BB9 #3E33B9

triadic

#336BB9 #B9336B #6BB933

tetradic

#336BB9 #B933AE #B98133 #33B93E

square

#336BB9 #B933AE #B98133 #33B93E

split-complementary

#336BB9 #B93E33 #AEB933

monochromatic

#193459 #264F89 #336BB9 #588BD1 #88ACDE

Accessibility & contrast

On white

5.32

#336BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#336BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BB9

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BB9	#FFFFFF	#000000	##FFFFFF
##336BB9	1.00	5.32	3.94	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4672BC

Deuteranopia (green-blind)

#2F65B7

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #336bb9;
/* rgb */ color: rgb(51, 107, 185);
/* oklch */ color: oklch(53.0% 0.136 257.3);

Tailwind

colors: {
  custom: {
    50: '#7c94ce',
    500: '#336bb9',
    950: '#000000',
  },
}

SCSS

$custom: #336bb9;
$custom-light: #7c94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#336bb9",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 185
  },
  "hsl": {
    "h": 214.925,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53032,
    "c": 0.1363,
    "h": 257.3
  },
  "luminance": 0.14722
}

Semantic roles & 50–950 ramp

primary

#336BB9

secondary

#C8AA80

accent

#A048E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336BB9

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

Preview Lab → · Contrast checker → · Palette generator →