#336BB5#336BB5

#336BB5 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.131 H 256.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#336BB5
RGB	rgb(51, 107, 181)
HSL	hsl(214, 56%, 45%)
HSV	hsv(214, 72%, 71%)
CMYK	cmyk(71.8%, 40.9%, 0%, 29%)
CIE-LAB	lab(45.02, 6.96, -44.57)
CIE-LCH	lch(45.02, 45.11, 278.87°)
OKLab	oklab(52.78% -0.0309 -0.1272)
OKLCH	oklch(52.78% 0.131 256.4)
XYZ	xyz(14.9604, 14.5538, 45.7278)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BB5 #B57D33

analogous

#33ACB5 #336BB5 #3C33B5

triadic

#336BB5 #B5336B #6BB533

tetradic

#336BB5 #B533AC #B57D33 #33B53C

square

#336BB5 #B533AC #B57D33 #33B53C

split-complementary

#336BB5 #B53C33 #ACB533

monochromatic

#183356 #264F85 #336BB5 #568ACF #86ABDD

Accessibility & contrast

On white

5.37

#336BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#336BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BB5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BB5	#FFFFFF	#000000	##FFFFFF
##336BB5	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4871B8

Deuteranopia (green-blind)

#3365B4

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336bb5;
/* rgb */ color: rgb(51, 107, 181);
/* oklch */ color: oklch(52.8% 0.131 256.4);

Tailwind

colors: {
  custom: {
    50: '#7b94cb',
    500: '#336bb5',
    950: '#000000',
  },
}

SCSS

$custom: #336bb5;
$custom-light: #7b94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#336bb5",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 214.154,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52777,
    "c": 0.1309,
    "h": 256.4
  },
  "luminance": 0.14555
}

Semantic roles & 50–950 ramp

primary

#336BB5

secondary

#C6A77D

accent

#9E48DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336BB5

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

Preview Lab → · Contrast checker → · Palette generator →