#336BB3#336BB3

#336BB3 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.7% C 0.128 H 255.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#336BB3
RGB	rgb(51, 107, 179)
HSL	hsl(214, 56%, 45%)
HSV	hsv(214, 72%, 70%)
CMYK	cmyk(71.5%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(44.90, 6.22, -43.59)
CIE-LCH	lch(44.90, 44.03, 278.12°)
OKLab	oklab(52.65% -0.0313 -0.1243)
OKLCH	oklch(52.65% 0.128 255.9)
XYZ	xyz(14.7566, 14.4723, 44.6548)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BB3 #B37B33

analogous

#33ABB3 #336BB3 #3B33B3

triadic

#336BB3 #B3336B #6BB333

tetradic

#336BB3 #B333AB #B37B33 #33B33B

square

#336BB3 #B333AB #B37B33 #33B33B

split-complementary

#336BB3 #B33B33 #ABB333

monochromatic

#183254 #254F83 #336BB3 #558ACE #84ABDC

Accessibility & contrast

On white

5.39

#336BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#336BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BB3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BB3	#FFFFFF	#000000	##FFFFFF
##336BB3	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B6

Deuteranopia (green-blind)

#3565B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336bb3;
/* rgb */ color: rgb(51, 107, 179);
/* oklch */ color: oklch(52.7% 0.128 255.9);

Tailwind

colors: {
  custom: {
    50: '#7a94ca',
    500: '#336bb3',
    950: '#000000',
  },
}

SCSS

$custom: #336bb3;
$custom-light: #7a94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#336bb3",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 213.75,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52651,
    "c": 0.1282,
    "h": 255.9
  },
  "luminance": 0.14474
}

Semantic roles & 50–950 ramp

primary

#336BB3

secondary

#C6A57C

accent

#9D49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336BB3

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

Preview Lab → · Contrast checker → · Palette generator →