#336BBD#336BBD

#336BBD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.142 H 258.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#336BBD
RGB	rgb(51, 107, 189)
HSL	hsl(216, 58%, 47%)
HSV	hsv(216, 73%, 74%)
CMYK	cmyk(73%, 43.4%, 0%, 25.9%)
CIE-LAB	lab(45.49, 9.93, -48.47)
CIE-LCH	lch(45.49, 49.48, 281.57°)
OKLab	oklab(53.29% -0.0292 -0.1387)
OKLCH	oklch(53.29% 0.142 258.1)
XYZ	xyz(15.8049, 14.8916, 50.1757)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BBD #BD8533

analogous

#33B0BD #336BBD #4033BD

triadic

#336BBD #BD336B #6BBD33

tetradic

#336BBD #BD33B0 #BD8533 #33BD40

square

#336BBD #BD33B0 #BD8533 #33BD40

split-complementary

#336BBD #BD4033 #B0BD33

monochromatic

#19345D #26508D #336BBD #5B8BD3 #8BADE0

Accessibility & contrast

On white

5.28

#336BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#336BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BBD

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BBD	#FFFFFF	#000000	##FFFFFF
##336BBD	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4373C0

Deuteranopia (green-blind)

#2A66BB

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336bbd;
/* rgb */ color: rgb(51, 107, 189);
/* oklch */ color: oklch(53.3% 0.142 258.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#336bbd",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 189
  },
  "hsl": {
    "h": 215.652,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53292,
    "c": 0.1417,
    "h": 258.1
  },
  "luminance": 0.14893
}

Semantic roles & 50–950 ramp

primary

#336BBD

secondary

#CAAD82

accent

#A247E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336BBD

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

Preview Lab → · Contrast checker → · Palette generator →