#336FDB#336FDB

#336FDB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.2% C 0.177 H 261.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#336FDB
RGB	rgb(51, 111, 219)
HSL	hsl(219, 70%, 53%)
HSV	hsv(219, 77%, 86%)
CMYK	cmyk(76.7%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(48.49, 18.57, -60.82)
CIE-LCH	lch(48.49, 63.60, 286.98°)
OKLab	oklab(56.21% -0.0276 -0.1749)
OKLCH	oklch(56.21% 0.177 261)
XYZ	xyz(19.8312, 17.1849, 69.2759)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336FDB #DB9F33

analogous

#33C3DB #336FDB #4B33DB

triadic

#336FDB #DB336F #6FDB33

tetradic

#336FDB #DB33C3 #DB9F33 #33DB4B

square

#336FDB #DB33C3 #DB9F33 #33DB4B

split-complementary

#336FDB #DB4B33 #C3DB33

monochromatic

#163B7D #1F54B1 #336FDB #6794E4 #9BB8ED

Accessibility & contrast

On white

4.73

#336FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#336FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336FDB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336FDB	#FFFFFF	#000000	##FFFFFF
##336FDB	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7BDF

Deuteranopia (green-blind)

#006CD9

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #336fdb;
/* rgb */ color: rgb(51, 111, 219);
/* oklch */ color: oklch(56.2% 0.177 261.0);

Tailwind

colors: {
  custom: {
    50: '#8297e7',
    500: '#336fdb',
    950: '#000000',
  },
}

SCSS

$custom: #336fdb;
$custom-light: #8297e7;
$custom-dark: #000000;

JSON

{
  "hex": "#336fdb",
  "rgb": {
    "r": 51,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 218.571,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56211,
    "c": 0.17709,
    "h": 261
  },
  "luminance": 0.17187
}

Semantic roles & 50–950 ramp

primary

#336FDB

secondary

#D9BF91

accent

#AD3BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #336FDB

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

Preview Lab → · Contrast checker → · Palette generator →