#3550AF#3550AF

#3550AF is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.155 H 267.9°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#3550AF
RGB	rgb(53, 80, 175)
HSL	hsl(227, 54%, 45%)
HSV	hsv(227, 70%, 69%)
CMYK	cmyk(69.7%, 54.3%, 0%, 31.4%)
CIE-LAB	lab(37.09, 22.49, -53.77)
CIE-LCH	lch(37.09, 58.29, 292.69°)
OKLab	oklab(46.6% -0.0056 -0.1547)
OKLCH	oklch(46.6% 0.155 267.9)
XYZ	xyz(12.0721, 9.5882, 41.7636)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3550AF #AF9435

analogous

#358DAF #3550AF #5735AF

triadic

#3550AF #AF3550 #50AF35

tetradic

#3550AF #AF358D #AF9435 #35AF57

square

#3550AF #AF358D #AF9435 #35AF57

split-complementary

#3550AF #AF5735 #8DAF35

monochromatic

#192551 #273B80 #3550AF #5670CC #8597DA

Accessibility & contrast

On white

7.20

#3550AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3550AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3550AF

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3550AF	#FFFFFF	#000000	##FFFFFF
##3550AF	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#075DB2

Deuteranopia (green-blind)

#0052AD

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3550af;
/* rgb */ color: rgb(53, 80, 175);
/* oklch */ color: oklch(46.6% 0.155 267.9);

Tailwind

colors: {
  custom: {
    50: '#7b80c8',
    500: '#3550af',
    950: '#000000',
  },
}

SCSS

$custom: #3550af;
$custom-light: #7b80c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3550af",
  "rgb": {
    "r": 53,
    "g": 80,
    "b": 175
  },
  "hsl": {
    "h": 226.721,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46603,
    "c": 0.15478,
    "h": 267.9
  },
  "luminance": 0.09589
}

Semantic roles & 50–950 ramp

primary

#3550AF

secondary

#C4B47C

accent

#BD4BDD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3550AF

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

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