#336AB3#336AB3

#336AB3 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.129 H 256.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#336AB3
RGB	rgb(51, 106, 179)
HSL	hsl(214, 56%, 45%)
HSV	hsv(214, 72%, 70%)
CMYK	cmyk(71.5%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(44.61, 6.85, -44.05)
CIE-LCH	lch(44.61, 44.58, 278.84°)
OKLab	oklab(52.42% -0.0304 -0.1257)
OKLCH	oklch(52.42% 0.129 256.4)
XYZ	xyz(14.6530, 14.2650, 44.6203)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336AB3 #B37C33

analogous

#33AAB3 #336AB3 #3C33B3

triadic

#336AB3 #B3336A #6AB333

tetradic

#336AB3 #B333AA #B37C33 #33B33C

square

#336AB3 #B333AA #B37C33 #33B33C

split-complementary

#336AB3 #B33C33 #AAB333

monochromatic

#183254 #254E83 #336AB3 #5589CE #84AADC

Accessibility & contrast

On white

5.45

#336AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#336AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336AB3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336AB3	#FFFFFF	#000000	##FFFFFF
##336AB3	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4870B6

Deuteranopia (green-blind)

#3364B2

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #336ab3;
/* rgb */ color: rgb(51, 106, 179);
/* oklch */ color: oklch(52.4% 0.129 256.4);

Tailwind

colors: {
  custom: {
    50: '#7a94ca',
    500: '#336ab3',
    950: '#000000',
  },
}

SCSS

$custom: #336ab3;
$custom-light: #7a94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#336ab3",
  "rgb": {
    "r": 51,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 214.219,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52424,
    "c": 0.12932,
    "h": 256.4
  },
  "luminance": 0.14267
}

Semantic roles & 50–950 ramp

primary

#336AB3

secondary

#C6A67C

accent

#9E49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336AB3

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

Preview Lab → · Contrast checker → · Palette generator →