#336BC5#336BC5

#336BC5 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.8% C 0.152 H 259.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#336BC5
RGB	rgb(51, 107, 197)
HSL	hsl(217, 59%, 49%)
HSV	hsv(217, 74%, 77%)
CMYK	cmyk(74.1%, 45.7%, 0%, 22.7%)
CIE-LAB	lab(45.97, 12.91, -52.31)
CIE-LCH	lch(45.97, 53.88, 283.86°)
OKLab	oklab(53.83% -0.0277 -0.1499)
OKLCH	oklch(53.83% 0.152 259.5)
XYZ	xyz(16.6973, 15.2486, 54.8758)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BC5 #C58D33

analogous

#33B4C5 #336BC5 #4433C5

triadic

#336BC5 #C5336B #6BC533

tetradic

#336BC5 #C533B4 #C58D33 #33C544

square

#336BC5 #C533B4 #C58D33 #33C544

split-complementary

#336BC5 #C54433 #B4C533

monochromatic

#1A3664 #265194 #336BC5 #5F8DD6 #90B0E2

Accessibility & contrast

On white

5.19

#336BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#336BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BC5

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BC5	#FFFFFF	#000000	##FFFFFF
##336BC5	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C74C8

Deuteranopia (green-blind)

#1C67C3

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #336bc5;
/* rgb */ color: rgb(51, 107, 197);
/* oklch */ color: oklch(53.8% 0.152 259.5);

Tailwind

colors: {
  custom: {
    50: '#7e94d7',
    500: '#336bc5',
    950: '#000000',
  },
}

SCSS

$custom: #336bc5;
$custom-light: #7e94d7;
$custom-dark: #000000;

JSON

{
  "hex": "#336bc5",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 197
  },
  "hsl": {
    "h": 216.986,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53826,
    "c": 0.15249,
    "h": 259.5
  },
  "luminance": 0.1525
}

Semantic roles & 50–950 ramp

primary

#336BC5

secondary

#CDB287

accent

#A646E2

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #336BC5

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

Preview Lab → · Contrast checker → · Palette generator →