#3550AD#3550AD

#3550AD is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.152 H 267.8°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3550AD
RGB	rgb(53, 80, 173)
HSL	hsl(227, 53%, 44%)
HSV	hsv(227, 69%, 68%)
CMYK	cmyk(69.4%, 53.8%, 0%, 32.2%)
CIE-LAB	lab(36.95, 21.75, -52.82)
CIE-LCH	lch(36.95, 57.12, 292.38°)
OKLab	oklab(46.45% -0.0057 -0.1519)
OKLCH	oklch(46.45% 0.152 267.8)
XYZ	xyz(11.8771, 9.5102, 40.7368)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3550AD #AD9235

analogous

#358CAD #3550AD #5635AD

triadic

#3550AD #AD3550 #50AD35

tetradic

#3550AD #AD358C #AD9235 #35AD56

square

#3550AD #AD358C #AD9235 #35AD56

split-complementary

#3550AD #AD5635 #8CAD35

monochromatic

#18254F #273A7E #3550AD #546FCB #8397D9

Accessibility & contrast

On white

7.24

#3550AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3550AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3550AD

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3550AD	#FFFFFF	#000000	##FFFFFF
##3550AD	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5DB0

Deuteranopia (green-blind)

#0052AB

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3550ad;
/* rgb */ color: rgb(53, 80, 173);
/* oklch */ color: oklch(46.4% 0.152 267.8);

Tailwind

colors: {
  custom: {
    50: '#7b80c6',
    500: '#3550ad',
    950: '#000000',
  },
}

SCSS

$custom: #3550ad;
$custom-light: #7b80c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3550ad",
  "rgb": {
    "r": 53,
    "g": 80,
    "b": 173
  },
  "hsl": {
    "h": 226.5,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46449,
    "c": 0.15199,
    "h": 267.8
  },
  "luminance": 0.09511
}

Semantic roles & 50–950 ramp

primary

#3550AD

secondary

#C3B37B

accent

#BC4BDD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3550AD

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

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