#3355AD#3355AD

#3355AD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.146 H 265.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3355AD
RGB	rgb(51, 85, 173)
HSL	hsl(223, 54%, 44%)
HSV	hsv(223, 71%, 68%)
CMYK	cmyk(70.5%, 50.9%, 0%, 32.2%)
CIE-LAB	lab(38.23, 18.16, -50.76)
CIE-LCH	lch(38.23, 53.91, 289.68°)
OKLab	oklab(47.39% -0.012 -0.1458)
OKLCH	oklch(47.39% 0.146 265.3)
XYZ	xyz(12.1539, 10.2167, 40.8586)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355AD #AD8B33

analogous

#3392AD #3355AD #4E33AD

triadic

#3355AD #AD3355 #55AD33

tetradic

#3355AD #AD3392 #AD8B33 #33AD4E

square

#3355AD #AD3392 #AD8B33 #33AD4E

split-complementary

#3355AD #AD4E33 #92AD33

monochromatic

#17274E #253E7E #3355AD #5174CC #8199DA

Accessibility & contrast

On white

6.90

#3355AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3355AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AD

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355AD	#FFFFFF	#000000	##FFFFFF
##3355AD	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2160B0

Deuteranopia (green-blind)

#0055AB

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3355ad;
/* rgb */ color: rgb(51, 85, 173);
/* oklch */ color: oklch(47.4% 0.146 265.3);

Tailwind

colors: {
  custom: {
    50: '#7a84c6',
    500: '#3355ad',
    950: '#000000',
  },
}

SCSS

$custom: #3355ad;
$custom-light: #7a84c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3355ad",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 173
  },
  "hsl": {
    "h": 223.279,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47393,
    "c": 0.14626,
    "h": 265.3
  },
  "luminance": 0.10218
}

Semantic roles & 50–950 ramp

primary

#3355AD

secondary

#C3AE79

accent

#B54ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3355AD

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

Preview Lab → · Contrast checker → · Palette generator →