#3355AC#3355AC

#3355AC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.3% C 0.145 H 265.2°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3355AC
RGB	rgb(51, 85, 172)
HSL	hsl(223, 54%, 44%)
HSV	hsv(223, 70%, 67%)
CMYK	cmyk(70.3%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(38.16, 17.78, -50.28)
CIE-LCH	lch(38.16, 53.33, 289.48°)
OKLab	oklab(47.32% -0.0121 -0.1443)
OKLCH	oklch(47.32% 0.145 265.2)
XYZ	xyz(12.0575, 10.1781, 40.3509)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355AC #AC8A33

analogous

#3391AC #3355AC #4D33AC

triadic

#3355AC #AC3355 #55AC33

tetradic

#3355AC #AC3391 #AC8A33 #33AC4D

square

#3355AC #AC3391 #AC8A33 #33AC4D

split-complementary

#3355AC #AC4D33 #91AC33

monochromatic

#17264E #253E7D #3355AC #5173CB #8099D9

Accessibility & contrast

On white

6.92

#3355AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3355AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AC

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355AC	#FFFFFF	#000000	##FFFFFF
##3355AC	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2260AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3355ac;
/* rgb */ color: rgb(51, 85, 172);
/* oklch */ color: oklch(47.3% 0.145 265.2);

Tailwind

colors: {
  custom: {
    50: '#7a84c5',
    500: '#3355ac',
    950: '#000000',
  },
}

SCSS

$custom: #3355ac;
$custom-light: #7a84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3355ac",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 223.14,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47319,
    "c": 0.14486,
    "h": 265.2
  },
  "luminance": 0.10179
}

Semantic roles & 50–950 ramp

primary

#3355AC

secondary

#C2AE78

accent

#B44ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3355AC

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

Preview Lab → · Contrast checker → · Palette generator →