#3533B9#3533B9

#3533B9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.202 H 274.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3533B9
RGB	rgb(53, 51, 185)
HSL	hsl(241, 57%, 46%)
HSV	hsv(241, 72%, 73%)
CMYK	cmyk(71.4%, 72.4%, 0%, 27.5%)
CIE-LAB	lab(30.94, 44.30, -69.75)
CIE-LCH	lch(30.94, 82.63, 302.42°)
OKLab	oklab(42.34% 0.0147 -0.2017)
OKLCH	oklch(42.34% 0.202 274.2)
XYZ	xyz(11.4061, 6.6262, 46.5674)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3533B9 #B7B933

analogous

#3374B9 #3533B9 #7833B9

triadic

#3533B9 #B93533 #33B935

tetradic

#3533B9 #B93374 #B7B933 #33B978

square

#3533B9 #B93374 #B7B933 #33B978

split-complementary

#3533B9 #B97833 #74B933

monochromatic

#1A1959 #272689 #3533B9 #5A58D1 #8988DE

Accessibility & contrast

On white

9.03

#3533B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3533B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533B9

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533B9	#FFFFFF	#000000	##FFFFFF
##3533B9	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0042B7

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3533b9;
/* rgb */ color: rgb(53, 51, 185);
/* oklch */ color: oklch(42.3% 0.202 274.2);

Tailwind

colors: {
  custom: {
    50: '#806ccf',
    500: '#3533b9',
    950: '#000000',
  },
}

SCSS

$custom: #3533b9;
$custom-light: #806ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3533b9",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 185
  },
  "hsl": {
    "h": 240.896,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42344,
    "c": 0.20224,
    "h": 274.2
  },
  "luminance": 0.06627
}

Semantic roles & 50–950 ramp

primary

#3533B9

secondary

#C7C880

accent

#E048DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3533B9

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

Preview Lab → · Contrast checker → · Palette generator →