#336BC3#336BC3

#336BC3 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.150 H 259.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#336BC3
RGB	rgb(51, 107, 195)
HSL	hsl(217, 59%, 48%)
HSV	hsv(217, 74%, 76%)
CMYK	cmyk(73.8%, 45.1%, 0%, 23.5%)
CIE-LAB	lab(45.85, 12.16, -51.36)
CIE-LCH	lch(45.85, 52.78, 283.32°)
OKLab	oklab(53.69% -0.028 -0.1471)
OKLCH	oklch(53.69% 0.15 259.2)
XYZ	xyz(16.4697, 15.1575, 53.6769)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BC3 #C38B33

analogous

#33B3C3 #336BC3 #4333C3

triadic

#336BC3 #C3336B #6BC333

tetradic

#336BC3 #C333B3 #C38B33 #33C343

square

#336BC3 #C333B3 #C38B33 #33C343

split-complementary

#336BC3 #C34333 #B3C333

monochromatic

#1A3662 #265092 #336BC3 #5E8CD5 #8FAFE2

Accessibility & contrast

On white

5.21

#336BC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#336BC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BC3

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BC3	#FFFFFF	#000000	##FFFFFF
##336BC3	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E74C6

Deuteranopia (green-blind)

#2066C1

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #336bc3;
/* rgb */ color: rgb(51, 107, 195);
/* oklch */ color: oklch(53.7% 0.150 259.2);

Tailwind

colors: {
  custom: {
    50: '#7e94d6',
    500: '#336bc3',
    950: '#000000',
  },
}

SCSS

$custom: #336bc3;
$custom-light: #7e94d6;
$custom-dark: #000000;

JSON

{
  "hex": "#336bc3",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 195
  },
  "hsl": {
    "h": 216.667,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5369,
    "c": 0.14979,
    "h": 259.2
  },
  "luminance": 0.15159
}

Semantic roles & 50–950 ramp

primary

#336BC3

secondary

#CCB186

accent

#A546E2

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #336BC3

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

Preview Lab → · Contrast checker → · Palette generator →