#3553AC#3553AC

#3553AC is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.0% C 0.147 H 266.7°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#3553AC
RGB	rgb(53, 83, 172)
HSL	hsl(225, 53%, 44%)
HSV	hsv(225, 69%, 67%)
CMYK	cmyk(69.2%, 51.7%, 0%, 32.5%)
CIE-LAB	lab(37.70, 19.40, -51.02)
CIE-LCH	lch(37.70, 54.58, 290.83°)
OKLab	oklab(47% -0.0085 -0.1465)
OKLCH	oklch(47% 0.147 266.7)
XYZ	xyz(12.0053, 9.9208, 40.3039)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553AC #AC8E35

analogous

#358FAC #3553AC #5335AC

triadic

#3553AC #AC3553 #53AC35

tetradic

#3553AC #AC358F #AC8E35 #35AC53

square

#3553AC #AC358F #AC8E35 #35AC53

split-complementary

#3553AC #AC5335 #8FAC35

monochromatic

#18264E #273C7D #3553AC #5472CA #8398D9

Accessibility & contrast

On white

7.04

#3553AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3553AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3553AC

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553AC	#FFFFFF	#000000	##FFFFFF
##3553AC	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5EAF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3553ac;
/* rgb */ color: rgb(53, 83, 172);
/* oklch */ color: oklch(47.0% 0.147 266.7);

Tailwind

colors: {
  custom: {
    50: '#7b82c5',
    500: '#3553ac',
    950: '#000000',
  },
}

SCSS

$custom: #3553ac;
$custom-light: #7b82c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3553ac",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 172
  },
  "hsl": {
    "h": 224.874,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.46995,
    "c": 0.14677,
    "h": 266.7
  },
  "luminance": 0.09922
}

Semantic roles & 50–950 ramp

primary

#3553AC

secondary

#C2B07B

accent

#B84CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3553AC

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

Preview Lab → · Contrast checker → · Palette generator →