#3355BD#3355BD

#3355BD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.168 H 266.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3355BD
RGB	rgb(51, 85, 189)
HSL	hsl(225, 58%, 47%)
HSV	hsv(225, 73%, 74%)
CMYK	cmyk(73%, 55%, 0%, 25.9%)
CIE-LAB	lab(39.37, 24.12, -58.33)
CIE-LCH	lch(39.37, 63.12, 292.46°)
OKLab	oklab(48.62% -0.0105 -0.168)
OKLCH	oklch(48.62% 0.168 266.4)
XYZ	xyz(13.7958, 10.8735, 49.5060)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355BD #BD9B33

analogous

#339ABD #3355BD #5633BD

triadic

#3355BD #BD3355 #55BD33

tetradic

#3355BD #BD339A #BD9B33 #33BD56

square

#3355BD #BD339A #BD9B33 #33BD56

split-complementary

#3355BD #BD5633 #9ABD33

monochromatic

#192A5D #263F8D #3355BD #5B78D3 #8BA0E0

Accessibility & contrast

On white

6.61

#3355BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3355BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355BD

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355BD	#FFFFFF	#000000	##FFFFFF
##3355BD	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3355bd;
/* rgb */ color: rgb(51, 85, 189);
/* oklch */ color: oklch(48.6% 0.168 266.4);

Tailwind

colors: {
  custom: {
    50: '#7d84d2',
    500: '#3355bd',
    950: '#000000',
  },
}

SCSS

$custom: #3355bd;
$custom-light: #7d84d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3355bd",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 225.217,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48615,
    "c": 0.16838,
    "h": 266.4
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary

#3355BD

secondary

#CAB882

accent

#BB47E1

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3355BD

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

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