#3552D9#3552D9

#3552D9 is a mid, highly saturated blue. Relative luminance 0.118; OKLCH L 50.5% C 0.208 H 268.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#3552D9
RGB	rgb(53, 82, 217)
HSL	hsl(229, 68%, 53%)
HSV	hsv(229, 76%, 85%)
CMYK	cmyk(75.6%, 62.2%, 0%, 14.9%)
CIE-LAB	lab(40.90, 36.50, -72.03)
CIE-LCH	lch(40.90, 80.75, 296.88°)
OKLab	oklab(50.47% -0.0062 -0.2083)
OKLCH	oklch(50.47% 0.208 268.3)
XYZ	xyz(17.0055, 11.7993, 67.0134)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3552D9 #D9BC35

analogous

#35A4D9 #3552D9 #6A35D9

triadic

#3552D9 #D93552 #52D935

tetradic

#3552D9 #D935A4 #D9BC35 #35D96A

square

#3552D9 #D935A4 #D9BC35 #35D96A

split-complementary

#3552D9 #D96A35 #A4D935

monochromatic

#17297C #213AB0 #3552D9 #697EE3 #9CAAEC

Accessibility & contrast

On white

6.25

#3552D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3552D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3552D9

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3552D9	#FFFFFF	#000000	##FFFFFF
##3552D9	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DD

Deuteranopia (green-blind)

#0059D6

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3552d9;
/* rgb */ color: rgb(53, 82, 217);
/* oklch */ color: oklch(50.5% 0.208 268.3);

Tailwind

colors: {
  custom: {
    50: '#8482e6',
    500: '#3552d9',
    950: '#000000',
  },
}

SCSS

$custom: #3552d9;
$custom-light: #8482e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3552d9",
  "rgb": {
    "r": 53,
    "g": 82,
    "b": 217
  },
  "hsl": {
    "h": 229.39,
    "s": 68.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50468,
    "c": 0.20835,
    "h": 268.3
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#3552D9

secondary

#D8CC91

accent

#CC3DEB

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3552D9

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

Preview Lab → · Contrast checker → · Palette generator →