#336AB9#336AB9

#336AB9 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.8% C 0.137 H 257.8°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#336AB9
RGB	rgb(51, 106, 185)
HSL	hsl(215, 57%, 46%)
HSV	hsv(215, 72%, 73%)
CMYK	cmyk(72.4%, 42.7%, 0%, 27.5%)
CIE-LAB	lab(44.96, 9.07, -46.99)
CIE-LCH	lch(44.96, 47.86, 280.93°)
OKLab	oklab(52.81% -0.0291 -0.1343)
OKLCH	oklch(52.81% 0.137 257.8)
XYZ	xyz(15.2730, 14.5130, 47.8859)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336AB9 #B98233

analogous

#33ADB9 #336AB9 #3F33B9

triadic

#336AB9 #B9336A #6AB933

tetradic

#336AB9 #B933AD #B98233 #33B93F

square

#336AB9 #B933AD #B98233 #33B93F

split-complementary

#336AB9 #B93F33 #ADB933

monochromatic

#193359 #264F89 #336AB9 #588AD1 #88ABDE

Accessibility & contrast

On white

5.38

#336AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#336AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336AB9

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336AB9	#FFFFFF	#000000	##FFFFFF
##336AB9	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4471BC

Deuteranopia (green-blind)

#2C65B7

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336ab9;
/* rgb */ color: rgb(51, 106, 185);
/* oklch */ color: oklch(52.8% 0.137 257.8);

Tailwind

colors: {
  custom: {
    50: '#7c94ce',
    500: '#336ab9',
    950: '#000000',
  },
}

SCSS

$custom: #336ab9;
$custom-light: #7c94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#336ab9",
  "rgb": {
    "r": 51,
    "g": 106,
    "b": 185
  },
  "hsl": {
    "h": 215.373,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52808,
    "c": 0.13744,
    "h": 257.8
  },
  "luminance": 0.14515
}

Semantic roles & 50–950 ramp

primary

#336AB9

secondary

#C8AA80

accent

#A248E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336AB9

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

Preview Lab → · Contrast checker → · Palette generator →