#3355AA#3355AA

#3355AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.142 H 265.0°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3355AA
RGB	rgb(51, 85, 170)
HSL	hsl(223, 54%, 43%)
HSV	hsv(223, 70%, 67%)
CMYK	cmyk(70%, 50%, 0%, 33.3%)
CIE-LAB	lab(38.02, 17.04, -49.31)
CIE-LCH	lch(38.02, 52.17, 289.06°)
OKLab	oklab(47.17% -0.0123 -0.1415)
OKLCH	oklch(47.17% 0.142 265)
XYZ	xyz(11.8669, 10.1019, 39.3469)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355AA #AA8833

analogous

#3390AA #3355AA #4C33AA

triadic

#3355AA #AA3355 #55AA33

tetradic

#3355AA #AA3390 #AA8833 #33AA4C

square

#3355AA #AA3390 #AA8833 #33AA4C

split-complementary

#3355AA #AA4C33 #90AA33

monochromatic

#17264C #253D7B #3355AA #5073CA #7F98D9

Accessibility & contrast

On white

6.95

#3355AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3355AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AA

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355AA	#FFFFFF	#000000	##FFFFFF
##3355AA	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255FAD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3355aa;
/* rgb */ color: rgb(51, 85, 170);
/* oklch */ color: oklch(47.2% 0.142 265.0);

Tailwind

colors: {
  custom: {
    50: '#7984c4',
    500: '#3355aa',
    950: '#000000',
  },
}

SCSS

$custom: #3355aa;
$custom-light: #7984c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3355aa",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 170
  },
  "hsl": {
    "h": 222.857,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47172,
    "c": 0.14204,
    "h": 265
  },
  "luminance": 0.10103
}

Semantic roles & 50–950 ramp

primary

#3355AA

secondary

#C2AC77

accent

#B34BDD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3355AA

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

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