#3552B3#3552B3

#3552B3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.3% C 0.158 H 267.5°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#3552B3
RGB	rgb(53, 82, 179)
HSL	hsl(226, 54%, 45%)
HSV	hsv(226, 70%, 70%)
CMYK	cmyk(70.4%, 54.2%, 0%, 29.8%)
CIE-LAB	lab(37.92, 22.65, -54.80)
CIE-LCH	lch(37.92, 59.29, 292.46°)
OKLab	oklab(47.32% -0.007 -0.1577)
OKLCH	oklch(47.32% 0.158 267.5)
XYZ	xyz(12.6194, 10.0449, 43.9129)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3552B3 #B39635

analogous

#3591B3 #3552B3 #5735B3

triadic

#3552B3 #B33552 #52B335

tetradic

#3552B3 #B33591 #B39635 #35B357

square

#3552B3 #B33591 #B39635 #35B357

split-complementary

#3552B3 #B35735 #91B335

monochromatic

#192755 #273C84 #3552B3 #5873CD #879ADB

Accessibility & contrast

On white

6.98

#3552B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3552B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3552B3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3552B3	#FFFFFF	#000000	##FFFFFF
##3552B3	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#065FB6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3552b3;
/* rgb */ color: rgb(53, 82, 179);
/* oklch */ color: oklch(47.3% 0.158 267.5);

Tailwind

colors: {
  custom: {
    50: '#7c82ca',
    500: '#3552b3',
    950: '#000000',
  },
}

SCSS

$custom: #3552b3;
$custom-light: #7c82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3552b3",
  "rgb": {
    "r": 53,
    "g": 82,
    "b": 179
  },
  "hsl": {
    "h": 226.19,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47321,
    "c": 0.1578,
    "h": 267.5
  },
  "luminance": 0.10046
}

Semantic roles & 50–950 ramp

primary

#3552B3

secondary

#C5B57F

accent

#BC4ADE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3552B3

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

Preview Lab → · Contrast checker → · Palette generator →