#336FD3#336FD3

#336FD3 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.167 H 260.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#336FD3
RGB	rgb(51, 111, 211)
HSL	hsl(218, 65%, 51%)
HSV	hsv(218, 76%, 83%)
CMYK	cmyk(75.8%, 47.4%, 0%, 17.3%)
CIE-LAB	lab(47.97, 15.59, -57.11)
CIE-LCH	lch(47.97, 59.20, 285.27°)
OKLab	oklab(55.65% -0.0287 -0.164)
OKLCH	oklch(55.65% 0.167 260.1)
XYZ	xyz(18.8033, 16.7737, 63.8620)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336FD3 #D39733

analogous

#33BFD3 #336FD3 #4733D3

triadic

#336FD3 #D3336F #6FD333

tetradic

#336FD3 #D333BF #D39733 #33D347

square

#336FD3 #D333BF #D39733 #33D347

split-complementary

#336FD3 #D34733 #BFD333

monochromatic

#193B73 #2454A5 #336FD3 #6593DE #98B6E9

Accessibility & contrast

On white

4.82

#336FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#336FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336FD3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336FD3	#FFFFFF	#000000	##FFFFFF
##336FD3	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#387AD7

Deuteranopia (green-blind)

#026BD1

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #336fd3;
/* rgb */ color: rgb(51, 111, 211);
/* oklch */ color: oklch(55.6% 0.167 260.1);

Tailwind

colors: {
  custom: {
    50: '#8197e1',
    500: '#336fd3',
    950: '#000000',
  },
}

SCSS

$custom: #336fd3;
$custom-light: #8197e1;
$custom-dark: #000000;

JSON

{
  "hex": "#336fd3",
  "rgb": {
    "r": 51,
    "g": 111,
    "b": 211
  },
  "hsl": {
    "h": 217.5,
    "s": 64.516,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55648,
    "c": 0.16651,
    "h": 260.1
  },
  "luminance": 0.16776
}

Semantic roles & 50–950 ramp

primary

#336FD3

secondary

#D4BA8E

accent

#A940E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #336FD3

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

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