#336BC7#336BC7

#336BC7 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.0% C 0.155 H 259.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#336BC7
RGB	rgb(51, 107, 199)
HSL	hsl(217, 59%, 49%)
HSV	hsv(217, 74%, 78%)
CMYK	cmyk(74.4%, 46.2%, 0%, 22%)
CIE-LAB	lab(46.10, 13.65, -53.26)
CIE-LCH	lch(46.10, 54.98, 284.38°)
OKLab	oklab(53.96% -0.0274 -0.1527)
OKLCH	oklch(53.96% 0.155 259.8)
XYZ	xyz(16.9280, 15.3408, 56.0907)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BC7 #C78F33

analogous

#33B5C7 #336BC7 #4533C7

triadic

#336BC7 #C7336B #6BC733

tetradic

#336BC7 #C733B5 #C78F33 #33C745

square

#336BC7 #C733B5 #C78F33 #33C745

split-complementary

#336BC7 #C74533 #B5C733

monochromatic

#1A3766 #275196 #336BC7 #618DD6 #91B0E3

Accessibility & contrast

On white

5.16

#336BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#336BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BC7

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BC7	#FFFFFF	#000000	##FFFFFF
##336BC7	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A74CA

Deuteranopia (green-blind)

#1767C5

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #336bc7;
/* rgb */ color: rgb(51, 107, 199);
/* oklch */ color: oklch(54.0% 0.155 259.8);

Tailwind

colors: {
  custom: {
    50: '#7e94d8',
    500: '#336bc7',
    950: '#000000',
  },
}

SCSS

$custom: #336bc7;
$custom-light: #7e94d8;
$custom-dark: #000000;

JSON

{
  "hex": "#336bc7",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 199
  },
  "hsl": {
    "h": 217.297,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53962,
    "c": 0.15518,
    "h": 259.8
  },
  "luminance": 0.15343
}

Semantic roles & 50–950 ramp

primary

#336BC7

secondary

#CEB388

accent

#A745E2

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #336BC7

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

Preview Lab → · Contrast checker → · Palette generator →