#336BC4#336BC4

#336BC4 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.8% C 0.151 H 259.4°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#336BC4
RGB	rgb(51, 107, 196)
HSL	hsl(217, 59%, 48%)
HSV	hsv(217, 74%, 77%)
CMYK	cmyk(74%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(45.91, 12.53, -51.83)
CIE-LCH	lch(45.91, 53.33, 283.59°)
OKLab	oklab(53.76% -0.0279 -0.1485)
OKLCH	oklch(53.76% 0.151 259.4)
XYZ	xyz(16.5831, 15.2029, 54.2743)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BC4 #C48C33

analogous

#33B3C4 #336BC4 #4433C4

triadic

#336BC4 #C4336B #6BC433

tetradic

#336BC4 #C433B3 #C48C33 #33C444

square

#336BC4 #C433B3 #C48C33 #33C444

split-complementary

#336BC4 #C44433 #B3C433

monochromatic

#1A3663 #265093 #336BC4 #5F8DD5 #8FAFE2

Accessibility & contrast

On white

5.20

#336BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#336BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BC4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BC4	#FFFFFF	#000000	##FFFFFF
##336BC4	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D74C7

Deuteranopia (green-blind)

#1E67C2

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #336bc4;
/* rgb */ color: rgb(51, 107, 196);
/* oklch */ color: oklch(53.8% 0.151 259.4);

Tailwind

colors: {
  custom: {
    50: '#7e94d6',
    500: '#336bc4',
    950: '#000000',
  },
}

SCSS

$custom: #336bc4;
$custom-light: #7e94d6;
$custom-dark: #000000;

JSON

{
  "hex": "#336bc4",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 216.828,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53758,
    "c": 0.15114,
    "h": 259.4
  },
  "luminance": 0.15205
}

Semantic roles & 50–950 ramp

primary

#336BC4

secondary

#CDB186

accent

#A646E2

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #336BC4

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

Preview Lab → · Contrast checker → · Palette generator →