#3553A3#3553A3

#3553A3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.134 H 265.9°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#3553A3
RGB	rgb(53, 83, 163)
HSL	hsl(224, 51%, 42%)
HSV	hsv(224, 67%, 64%)
CMYK	cmyk(67.5%, 49.1%, 0%, 36.1%)
CIE-LAB	lab(37.09, 16.07, -46.64)
CIE-LCH	lch(37.09, 49.33, 289.02°)
OKLab	oklab(46.34% -0.0096 -0.1336)
OKLCH	oklch(46.34% 0.134 265.9)
XYZ	xyz(11.1700, 9.5867, 35.9050)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553A3 #A38535

analogous

#358AA3 #3553A3 #4E35A3

triadic

#3553A3 #A33553 #53A335

tetradic

#3553A3 #A3358A #A38535 #35A34E

square

#3553A3 #A3358A #A38535 #35A34E

split-complementary

#3553A3 #A34E35 #8AA335

monochromatic

#172447 #263B75 #3553A3 #4F70C6 #7E95D5

Accessibility & contrast

On white

7.20

#3553A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3553A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3553A3

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553A3	#FFFFFF	#000000	##FFFFFF
##3553A3	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)

#285DA6

Deuteranopia (green-blind)

#0D53A1

Tritanopia (blue-blind)

#006673

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3553a3;
/* rgb */ color: rgb(53, 83, 163);
/* oklch */ color: oklch(46.3% 0.134 265.9);

Tailwind

colors: {
  custom: {
    50: '#7982bf',
    500: '#3553a3',
    950: '#000000',
  },
}

SCSS

$custom: #3553a3;
$custom-light: #7982bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3553a3",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 163
  },
  "hsl": {
    "h": 223.636,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46336,
    "c": 0.13398,
    "h": 265.9
  },
  "luminance": 0.09588
}

Semantic roles & 50–950 ramp

primary

#3553A3

secondary

#BEAA76

accent

#B44DDA

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3553A3

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

Preview Lab → · Contrast checker → · Palette generator →