#336BB1#336BB1

#336BB1 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.126 H 255.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#336BB1
RGB	rgb(51, 107, 177)
HSL	hsl(213, 55%, 45%)
HSV	hsv(213, 71%, 69%)
CMYK	cmyk(71.2%, 39.5%, 0%, 30.6%)
CIE-LAB	lab(44.79, 5.48, -42.60)
CIE-LCH	lch(44.79, 42.95, 277.33°)
OKLab	oklab(52.53% -0.0318 -0.1214)
OKLCH	oklch(52.53% 0.126 255.3)
XYZ	xyz(14.5558, 14.3920, 43.5973)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BB1 #B17933

analogous

#33AAB1 #336BB1 #3A33B1

triadic

#336BB1 #B1336B #6BB133

tetradic

#336BB1 #B133AA #B17933 #33B13A

square

#336BB1 #B133AA #B17933 #33B13A

split-complementary

#336BB1 #B13A33 #AAB133

monochromatic

#183252 #254E81 #336BB1 #548ACE #83AADB

Accessibility & contrast

On white

5.41

#336BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#336BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BB1

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BB1	#FFFFFF	#000000	##FFFFFF
##336BB1	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B70B4

Deuteranopia (green-blind)

#3765B0

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336bb1;
/* rgb */ color: rgb(51, 107, 177);
/* oklch */ color: oklch(52.5% 0.126 255.3);

Tailwind

colors: {
  custom: {
    50: '#7a94c9',
    500: '#336bb1',
    950: '#000000',
  },
}

SCSS

$custom: #336bb1;
$custom-light: #7a94c9;
$custom-dark: #000000;

JSON

{
  "hex": "#336bb1",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 177
  },
  "hsl": {
    "h": 213.333,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52527,
    "c": 0.12551,
    "h": 255.3
  },
  "luminance": 0.14394
}

Semantic roles & 50–950 ramp

primary

#336BB1

secondary

#C5A47B

accent

#9C49DF

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336BB1

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

Preview Lab → · Contrast checker → · Palette generator →