#3553B2#3553B2

#3553B2 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.155 H 267.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3553B2
RGB	rgb(53, 83, 178)
HSL	hsl(226, 54%, 45%)
HSV	hsv(226, 70%, 70%)
CMYK	cmyk(70.2%, 53.4%, 0%, 30.2%)
CIE-LAB	lab(38.12, 21.62, -53.88)
CIE-LCH	lch(38.12, 58.06, 291.87°)
OKLab	oklab(47.45% -0.0079 -0.1549)
OKLCH	oklch(47.45% 0.155 267.1)
XYZ	xyz(12.5945, 10.1565, 43.4075)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553B2 #B29435

analogous

#3591B2 #3553B2 #5535B2

triadic

#3553B2 #B23553 #53B235

tetradic

#3553B2 #B23591 #B29435 #35B255

square

#3553B2 #B23591 #B29435 #35B255

split-complementary

#3553B2 #B25535 #91B235

monochromatic

#192754 #273D83 #3553B2 #5773CD #869BDB

Accessibility & contrast

On white

6.93

#3553B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3553B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553B2

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553B2	#FFFFFF	#000000	##FFFFFF
##3553B2	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)

#1060B5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3553b2;
/* rgb */ color: rgb(53, 83, 178);
/* oklch */ color: oklch(47.4% 0.155 267.1);

Tailwind

colors: {
  custom: {
    50: '#7c82ca',
    500: '#3553b2',
    950: '#000000',
  },
}

SCSS

$custom: #3553b2;
$custom-light: #7c82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3553b2",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 178
  },
  "hsl": {
    "h": 225.6,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47449,
    "c": 0.15515,
    "h": 267.1
  },
  "luminance": 0.10158
}

Semantic roles & 50–950 ramp

primary

#3553B2

secondary

#C5B47E

accent

#BA4ADD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3553B2

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

Preview Lab → · Contrast checker → · Palette generator →