#336AB8#336AB8

#336AB8 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.7% C 0.136 H 257.6°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#336AB8
RGB	rgb(51, 106, 184)
HSL	hsl(215, 57%, 46%)
HSV	hsv(215, 72%, 72%)
CMYK	cmyk(72.3%, 42.4%, 0%, 27.8%)
CIE-LAB	lab(44.90, 8.70, -46.50)
CIE-LCH	lch(44.90, 47.31, 280.60°)
OKLab	oklab(52.74% -0.0293 -0.1329)
OKLCH	oklch(52.74% 0.136 257.6)
XYZ	xyz(15.1679, 14.4709, 47.3319)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336AB8 #B88133

analogous

#33ACB8 #336AB8 #3E33B8

triadic

#336AB8 #B8336A #6AB833

tetradic

#336AB8 #B833AC #B88133 #33B83E

square

#336AB8 #B833AC #B88133 #33B83E

split-complementary

#336AB8 #B83E33 #ACB833

monochromatic

#183358 #264E88 #336AB8 #588AD1 #88ABDE

Accessibility & contrast

On white

5.39

#336AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#336AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336AB8

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336AB8	#FFFFFF	#000000	##FFFFFF
##336AB8	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4471BB

Deuteranopia (green-blind)

#2E65B6

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336ab8;
/* rgb */ color: rgb(51, 106, 184);
/* oklch */ color: oklch(52.7% 0.136 257.6);

Tailwind

colors: {
  custom: {
    50: '#7b94ce',
    500: '#336ab8',
    950: '#000000',
  },
}

SCSS

$custom: #336ab8;
$custom-light: #7b94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#336ab8",
  "rgb": {
    "r": 51,
    "g": 106,
    "b": 184
  },
  "hsl": {
    "h": 215.188,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52743,
    "c": 0.13609,
    "h": 257.6
  },
  "luminance": 0.14473
}

Semantic roles & 50–950 ramp

primary

#336AB8

secondary

#C8AA7F

accent

#A148E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #336AB8

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

Preview Lab → · Contrast checker → · Palette generator →