#3533B8#3533B8

#3533B8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.2% C 0.201 H 274.2°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3533B8
RGB	rgb(53, 51, 184)
HSL	hsl(241, 57%, 46%)
HSV	hsv(241, 72%, 72%)
CMYK	cmyk(71.2%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(30.84, 43.96, -69.33)
CIE-LCH	lch(30.84, 82.09, 302.38°)
OKLab	oklab(42.24% 0.0149 -0.2005)
OKLCH	oklch(42.24% 0.201 274.2)
XYZ	xyz(11.3009, 6.5841, 46.0134)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3533B8 #B6B833

analogous

#3373B8 #3533B8 #7733B8

triadic

#3533B8 #B83533 #33B835

tetradic

#3533B8 #B83373 #B6B833 #33B877

square

#3533B8 #B83373 #B6B833 #33B877

split-complementary

#3533B8 #B87733 #73B833

monochromatic

#191858 #272688 #3533B8 #5958D1 #8988DE

Accessibility & contrast

On white

9.06

#3533B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3533B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533B8

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533B8	#FFFFFF	#000000	##FFFFFF
##3533B8	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3533b8;
/* rgb */ color: rgb(53, 51, 184);
/* oklch */ color: oklch(42.2% 0.201 274.2);

Tailwind

colors: {
  custom: {
    50: '#806ccf',
    500: '#3533b8',
    950: '#000000',
  },
}

SCSS

$custom: #3533b8;
$custom-light: #806ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3533b8",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 240.902,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42243,
    "c": 0.20102,
    "h": 274.2
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#3533B8

secondary

#C7C87F

accent

#E048DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3533B8

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

Preview Lab → · Contrast checker → · Palette generator →