#336EB3#336EB3

#336EB3 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.3% C 0.125 H 254.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#336EB3
RGB	rgb(51, 110, 179)
HSL	hsl(212, 56%, 45%)
HSV	hsv(212, 72%, 70%)
CMYK	cmyk(71.5%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(45.78, 4.35, -42.19)
CIE-LCH	lch(45.78, 42.41, 275.88°)
OKLab	oklab(53.34% -0.0342 -0.1202)
OKLCH	oklch(53.34% 0.125 254.1)
XYZ	xyz(15.0749, 15.1087, 44.7609)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336EB3 #B37833

analogous

#33AEB3 #336EB3 #3833B3

triadic

#336EB3 #B3336E #6EB333

tetradic

#336EB3 #B333AE #B37833 #33B338

square

#336EB3 #B333AE #B37833 #33B338

split-complementary

#336EB3 #B33833 #AEB333

monochromatic

#183354 #255183 #336EB3 #558DCE #84ADDC

Accessibility & contrast

On white

5.22

#336EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#336EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336EB3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336EB3	#FFFFFF	#000000	##FFFFFF
##336EB3	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B6

Deuteranopia (green-blind)

#3B67B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336eb3;
/* rgb */ color: rgb(51, 110, 179);
/* oklch */ color: oklch(53.3% 0.125 254.1);

Tailwind

colors: {
  custom: {
    50: '#7a97ca',
    500: '#336eb3',
    950: '#000000',
  },
}

SCSS

$custom: #336eb3;
$custom-light: #7a97ca;
$custom-dark: #000000;

JSON

{
  "hex": "#336eb3",
  "rgb": {
    "r": 51,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 212.344,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53337,
    "c": 0.12494,
    "h": 254.1
  },
  "luminance": 0.1511
}

Semantic roles & 50–950 ramp

primary

#336EB3

secondary

#C6A47C

accent

#9A49DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336EB3

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

Preview Lab → · Contrast checker → · Palette generator →