#336DB3#336DB3

#336DB3 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.1% C 0.126 H 254.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#336DB3
RGB	rgb(51, 109, 179)
HSL	hsl(213, 56%, 45%)
HSV	hsv(213, 72%, 70%)
CMYK	cmyk(71.5%, 39.1%, 0%, 29.8%)
CIE-LAB	lab(45.49, 4.97, -42.66)
CIE-LCH	lch(45.49, 42.94, 276.64°)
OKLab	oklab(53.11% -0.0332 -0.1215)
OKLCH	oklch(53.11% 0.126 254.7)
XYZ	xyz(14.9676, 14.8941, 44.7251)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336DB3 #B37933

analogous

#33ADB3 #336DB3 #3933B3

triadic

#336DB3 #B3336D #6DB333

tetradic

#336DB3 #B333AD #B37933 #33B339

square

#336DB3 #B333AD #B37933 #33B339

split-complementary

#336DB3 #B33933 #ADB333

monochromatic

#183354 #255083 #336DB3 #558CCE #84ACDC

Accessibility & contrast

On white

5.28

#336DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#336DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336DB3

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336DB3	#FFFFFF	#000000	##FFFFFF
##336DB3	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#3966B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336db3;
/* rgb */ color: rgb(51, 109, 179);
/* oklch */ color: oklch(53.1% 0.126 254.7);

Tailwind

colors: {
  custom: {
    50: '#7a96ca',
    500: '#336db3',
    950: '#000000',
  },
}

SCSS

$custom: #336db3;
$custom-light: #7a96ca;
$custom-dark: #000000;

JSON

{
  "hex": "#336db3",
  "rgb": {
    "r": 51,
    "g": 109,
    "b": 179
  },
  "hsl": {
    "h": 212.813,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53108,
    "c": 0.12601,
    "h": 254.7
  },
  "luminance": 0.14896
}

Semantic roles & 50–950 ramp

primary

#336DB3

secondary

#C6A47C

accent

#9B49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336DB3

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

Preview Lab → · Contrast checker → · Palette generator →