#336FBB#336FBB

#336FBB is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.135 H 255.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#336FBB
RGB	rgb(51, 111, 187)
HSL	hsl(214, 57%, 47%)
HSV	hsv(214, 73%, 73%)
CMYK	cmyk(72.7%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(46.52, 6.67, -45.66)
CIE-LCH	lch(46.52, 46.14, 278.31°)
OKLab	oklab(54.06% -0.0333 -0.1303)
OKLCH	oklch(54.06% 0.135 255.7)
XYZ	xyz(16.0160, 15.6588, 49.1824)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336FBB #BB7F33

analogous

#33B3BB #336FBB #3B33BB

triadic

#336FBB #BB336F #6FBB33

tetradic

#336FBB #BB33B3 #BB7F33 #33BB3B

square

#336FBB #BB33B3 #BB7F33 #33BB3B

split-complementary

#336FBB #BB3B33 #B3BB33

monochromatic

#19365B #26528B #336FBB #598FD2 #89AFDF

Accessibility & contrast

On white

5.08

#336FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#336FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336FBB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336FBB	#FFFFFF	#000000	##FFFFFF
##336FBB	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#3568B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #336fbb;
/* rgb */ color: rgb(51, 111, 187);
/* oklch */ color: oklch(54.1% 0.135 255.7);

Tailwind

colors: {
  custom: {
    50: '#7c97d0',
    500: '#336fbb',
    950: '#000000',
  },
}

SCSS

$custom: #336fbb;
$custom-light: #7c97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#336fbb",
  "rgb": {
    "r": 51,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 213.529,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5406,
    "c": 0.1345,
    "h": 255.7
  },
  "luminance": 0.15661
}

Semantic roles & 50–950 ramp

primary

#336FBB

secondary

#C9A981

accent

#9D47E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336FBB

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

Preview Lab → · Contrast checker → · Palette generator →