#3534BB#3534BB

#3534BB is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.7% C 0.204 H 273.9°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#3534BB
RGB	rgb(53, 52, 187)
HSL	hsl(240, 56%, 47%)
HSV	hsv(240, 72%, 73%)
CMYK	cmyk(71.7%, 72.2%, 0%, 26.7%)
CIE-LAB	lab(31.35, 44.38, -70.27)
CIE-LCH	lch(31.35, 83.11, 302.28°)
OKLab	oklab(42.69% 0.0138 -0.2032)
OKLCH	oklch(42.69% 0.204 273.9)
XYZ	xyz(11.6628, 6.7996, 47.7019)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3534BB #BABB34

analogous

#3477BB #3534BB #7834BB

triadic

#3534BB #BB3534 #34BB35

tetradic

#3534BB #BB3477 #BABB34 #34BB78

square

#3534BB #BB3477 #BABB34 #34BB78

split-complementary

#3534BB #BB7834 #77BB34

monochromatic

#1A195B #27278B #3534BB #5C5BD1 #8B8BDF

Accessibility & contrast

On white

8.90

#3534BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3534BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3534BB

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3534BB	#FFFFFF	#000000	##FFFFFF
##3534BB	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0043B9

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3534bb;
/* rgb */ color: rgb(53, 52, 187);
/* oklch */ color: oklch(42.7% 0.204 273.9);

Tailwind

colors: {
  custom: {
    50: '#806dd1',
    500: '#3534bb',
    950: '#000000',
  },
}

SCSS

$custom: #3534bb;
$custom-light: #806dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3534bb",
  "rgb": {
    "r": 53,
    "g": 52,
    "b": 187
  },
  "hsl": {
    "h": 240.444,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42693,
    "c": 0.20369,
    "h": 273.9
  },
  "luminance": 0.06801
}

Semantic roles & 50–950 ramp

primary

#3534BB

secondary

#C8C982

accent

#E048DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3534BB

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

Preview Lab → · Contrast checker → · Palette generator →