#336CBC#336CBC

#336CBC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.4% C 0.139 H 257.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#336CBC
RGB	rgb(51, 108, 188)
HSL	hsl(215, 57%, 47%)
HSV	hsv(215, 73%, 74%)
CMYK	cmyk(72.9%, 42.6%, 0%, 26.3%)
CIE-LAB	lab(45.71, 8.92, -47.53)
CIE-LCH	lch(45.71, 48.36, 280.64°)
OKLab	oklab(53.45% -0.0303 -0.1359)
OKLCH	oklch(53.45% 0.139 257.4)
XYZ	xyz(15.8016, 15.0580, 49.6409)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336CBC #BC8333

analogous

#33B1BC #336CBC #3E33BC

triadic

#336CBC #BC336C #6CBC33

tetradic

#336CBC #BC33B1 #BC8333 #33BC3E

square

#336CBC #BC33B1 #BC8333 #33BC3E

split-complementary

#336CBC #BC3E33 #B1BC33

monochromatic

#19355C #26508C #336CBC #5A8CD2 #8AAEDF

Accessibility & contrast

On white

5.23

#336CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#336CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336CBC

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336CBC	#FFFFFF	#000000	##FFFFFF
##336CBC	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4573BF

Deuteranopia (green-blind)

#2D66BA

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336cbc;
/* rgb */ color: rgb(51, 108, 188);
/* oklch */ color: oklch(53.4% 0.139 257.4);

Tailwind

colors: {
  custom: {
    50: '#7c95d1',
    500: '#336cbc',
    950: '#000000',
  },
}

SCSS

$custom: #336cbc;
$custom-light: #7c95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#336cbc",
  "rgb": {
    "r": 51,
    "g": 108,
    "b": 188
  },
  "hsl": {
    "h": 215.036,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5345,
    "c": 0.13921,
    "h": 257.4
  },
  "luminance": 0.1506
}

Semantic roles & 50–950 ramp

primary

#336CBC

secondary

#C9AB81

accent

#A147E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336CBC

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

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