#336BB0#336BB0

#336BB0 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.124 H 255.1°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#336BB0
RGB	rgb(51, 107, 176)
HSL	hsl(213, 55%, 45%)
HSV	hsv(213, 71%, 69%)
CMYK	cmyk(71%, 39.2%, 0%, 31%)
CIE-LAB	lab(44.73, 5.11, -42.11)
CIE-LCH	lch(44.73, 42.41, 276.92°)
OKLab	oklab(52.47% -0.032 -0.12)
OKLCH	oklch(52.47% 0.124 255.1)
XYZ	xyz(14.4565, 14.3522, 43.0742)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336BB0 #B07833

analogous

#33AAB0 #336BB0 #3A33B0

triadic

#336BB0 #B0336B #6BB033

tetradic

#336BB0 #B033AA #B07833 #33B03A

square

#336BB0 #B033AA #B07833 #33B03A

split-complementary

#336BB0 #B03A33 #AAB033

monochromatic

#183151 #254E81 #336BB0 #538ACD #82AADB

Accessibility & contrast

On white

5.43

#336BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#336BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336BB0

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336BB0	#FFFFFF	#000000	##FFFFFF
##336BB0	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B70B3

Deuteranopia (green-blind)

#3864AF

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #336bb0;
/* rgb */ color: rgb(51, 107, 176);
/* oklch */ color: oklch(52.5% 0.124 255.1);

Tailwind

colors: {
  custom: {
    50: '#7a94c8',
    500: '#336bb0',
    950: '#000000',
  },
}

SCSS

$custom: #336bb0;
$custom-light: #7a94c8;
$custom-dark: #000000;

JSON

{
  "hex": "#336bb0",
  "rgb": {
    "r": 51,
    "g": 107,
    "b": 176
  },
  "hsl": {
    "h": 213.12,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52465,
    "c": 0.12417,
    "h": 255.1
  },
  "luminance": 0.14354
}

Semantic roles & 50–950 ramp

primary

#336BB0

secondary

#C4A37B

accent

#9C49DE

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #336BB0

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

Preview Lab → · Contrast checker → · Palette generator →