#3355AB#3355AB

#3355AB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.143 H 265.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3355AB
RGB	rgb(51, 85, 171)
HSL	hsl(223, 54%, 44%)
HSV	hsv(223, 70%, 67%)
CMYK	cmyk(70.2%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(38.09, 17.41, -49.79)
CIE-LCH	lch(38.09, 52.75, 289.27°)
OKLab	oklab(47.25% -0.0122 -0.1429)
OKLCH	oklch(47.25% 0.143 265.1)
XYZ	xyz(11.9619, 10.1399, 39.8470)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355AB #AB8933

analogous

#3391AB #3355AB #4D33AB

triadic

#3355AB #AB3355 #55AB33

tetradic

#3355AB #AB3391 #AB8933 #33AB4D

square

#3355AB #AB3391 #AB8933 #33AB4D

split-complementary

#3355AB #AB4D33 #91AB33

monochromatic

#17264D #253E7C #3355AB #5073CB #7F99D9

Accessibility & contrast

On white

6.93

#3355AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3355AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AB

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355AB	#FFFFFF	#000000	##FFFFFF
##3355AB	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245FAE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3355ab;
/* rgb */ color: rgb(51, 85, 171);
/* oklch */ color: oklch(47.2% 0.143 265.1);

Tailwind

colors: {
  custom: {
    50: '#7984c5',
    500: '#3355ab',
    950: '#000000',
  },
}

SCSS

$custom: #3355ab;
$custom-light: #7984c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3355ab",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 223,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47245,
    "c": 0.14345,
    "h": 265.1
  },
  "luminance": 0.10141
}

Semantic roles & 50–950 ramp

primary

#3355AB

secondary

#C2AD78

accent

#B44ADD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3355AB

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

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