#336AB7#336AB7

#336AB7 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.7% C 0.135 H 257.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#336AB7
RGB	rgb(51, 106, 183)
HSL	hsl(215, 56%, 46%)
HSV	hsv(215, 72%, 72%)
CMYK	cmyk(72.1%, 42.1%, 0%, 28.2%)
CIE-LAB	lab(44.84, 8.33, -46.02)
CIE-LCH	lch(44.84, 46.76, 280.26°)
OKLab	oklab(52.68% -0.0295 -0.1315)
OKLCH	oklch(52.68% 0.135 257.4)
XYZ	xyz(15.0634, 14.4291, 46.7818)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336AB7 #B78033

analogous

#33ACB7 #336AB7 #3E33B7

triadic

#336AB7 #B7336A #6AB733

tetradic

#336AB7 #B733AC #B78033 #33B73E

square

#336AB7 #B733AC #B78033 #33B73E

split-complementary

#336AB7 #B73E33 #ACB733

monochromatic

#183357 #264E87 #336AB7 #578AD0 #87ABDE

Accessibility & contrast

On white

5.40

#336AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#336AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336AB7

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336AB7	#FFFFFF	#000000	##FFFFFF
##336AB7	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4571BA

Deuteranopia (green-blind)

#2F64B5

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336ab7;
/* rgb */ color: rgb(51, 106, 183);
/* oklch */ color: oklch(52.7% 0.135 257.4);

Tailwind

colors: {
  custom: {
    50: '#7b94cd',
    500: '#336ab7',
    950: '#000000',
  },
}

SCSS

$custom: #336ab7;
$custom-light: #7b94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#336ab7",
  "rgb": {
    "r": 51,
    "g": 106,
    "b": 183
  },
  "hsl": {
    "h": 215,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52679,
    "c": 0.13473,
    "h": 257.4
  },
  "luminance": 0.14431
}

Semantic roles & 50–950 ramp

primary

#336AB7

secondary

#C7A97F

accent

#A148E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #336AB7

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

Preview Lab → · Contrast checker → · Palette generator →