#336BBF#336BBF

#336BBF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.144 H 258.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#336BBF
RGB	rgb(51, 107, 191)
HSL	hsl(216, 58%, 47%)
HSV	hsv(216, 73%, 75%)
CMYK	cmyk(73.3%, 44%, 0%, 25.1%)
CIE-LAB	lab(45.61, 10.67, -49.44)
CIE-LCH	lch(45.61, 50.58, 282.18°)
OKLab	oklab(53.42% -0.0288 -0.1415)
OKLCH	oklch(53.42% 0.144 258.5)
XYZ	xyz(16.0235, 14.9790, 51.3269)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BBF #BF8733

analogous

#33B1BF #336BBF #4133BF

triadic

#336BBF #BF336B #6BBF33

tetradic

#336BBF #BF33B1 #BF8733 #33BF41

square

#336BBF #BF33B1 #BF8733 #33BF41

split-complementary

#336BBF #BF4133 #B1BF33

monochromatic

#19355E #26508F #336BBF #5C8CD3 #8CAEE0

Accessibility & contrast

On white

5.25

#336BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#336BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BBF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BBF	#FFFFFF	#000000	##FFFFFF
##336BBF	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4173C2

Deuteranopia (green-blind)

#2766BD

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336bbf;
/* rgb */ color: rgb(51, 107, 191);
/* oklch */ color: oklch(53.4% 0.144 258.5);

Tailwind

colors: {
  custom: {
    50: '#7d94d3',
    500: '#336bbf',
    950: '#000000',
  },
}

SCSS

$custom: #336bbf;
$custom-light: #7d94d3;
$custom-dark: #000000;

JSON

{
  "hex": "#336bbf",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 216,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53424,
    "c": 0.1444,
    "h": 258.5
  },
  "luminance": 0.14981
}

Semantic roles & 50–950 ramp

primary

#336BBF

secondary

#CBAE83

accent

#A347E1

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #336BBF

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

Preview Lab → · Contrast checker → · Palette generator →