#336BBC#336BBC

#336BBC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.2% C 0.140 H 257.9°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#336BBC
RGB	rgb(51, 107, 188)
HSL	hsl(215, 57%, 47%)
HSV	hsv(215, 73%, 74%)
CMYK	cmyk(72.9%, 43.1%, 0%, 26.3%)
CIE-LAB	lab(45.43, 9.56, -47.99)
CIE-LCH	lch(45.43, 48.93, 281.26°)
OKLab	oklab(53.23% -0.0294 -0.1372)
OKLCH	oklch(53.23% 0.14 257.9)
XYZ	xyz(15.6967, 14.8483, 49.6060)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BBC #BC8433

analogous

#33B0BC #336BBC #3F33BC

triadic

#336BBC #BC336B #6BBC33

tetradic

#336BBC #BC33B0 #BC8433 #33BC3F

square

#336BBC #BC33B0 #BC8433 #33BC3F

split-complementary

#336BBC #BC3F33 #B0BC33

monochromatic

#19345C #26508C #336BBC #5A8BD2 #8AADDF

Accessibility & contrast

On white

5.29

#336BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#336BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BBC

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BBC	#FFFFFF	#000000	##FFFFFF
##336BBC	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4372BF

Deuteranopia (green-blind)

#2B66BA

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336bbc;
/* rgb */ color: rgb(51, 107, 188);
/* oklch */ color: oklch(53.2% 0.140 257.9);

Tailwind

colors: {
  custom: {
    50: '#7c94d1',
    500: '#336bbc',
    950: '#000000',
  },
}

SCSS

$custom: #336bbc;
$custom-light: #7c94d1;
$custom-dark: #000000;

JSON

{
  "hex": "#336bbc",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 188
  },
  "hsl": {
    "h": 215.474,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53227,
    "c": 0.14035,
    "h": 257.9
  },
  "luminance": 0.1485
}

Semantic roles & 50–950 ramp

primary

#336BBC

secondary

#C9AC81

accent

#A247E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336BBC

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

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