#3530B3#3530B3

#3530B3 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.198 H 275.0°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3530B3
RGB	rgb(53, 48, 179)
HSL	hsl(242, 58%, 45%)
HSV	hsv(242, 73%, 70%)
CMYK	cmyk(70.4%, 73.2%, 0%, 29.8%)
CIE-LAB	lab(29.72, 44.03, -68.19)
CIE-LCH	lch(29.72, 81.17, 302.85°)
OKLab	oklab(41.3% 0.0174 -0.1971)
OKLCH	oklch(41.3% 0.198 275)
XYZ	xyz(10.6591, 6.1245, 43.2595)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3530B3 #AEB330

analogous

#306DB3 #3530B3 #7730B3

triadic

#3530B3 #B33530 #30B335

tetradic

#3530B3 #B3306D #AEB330 #30B377

square

#3530B3 #B3306D #AEB330 #30B377

split-complementary

#3530B3 #B37730 #6DB330

monochromatic

#181652 #272383 #3530B3 #5550D0 #8480DD

Accessibility & contrast

On white

9.44

#3530B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3530B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530B3

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3530B3	#FFFFFF	#000000	##FFFFFF
##3530B3	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0040B1

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3530b3;
/* rgb */ color: rgb(53, 48, 179);
/* oklch */ color: oklch(41.3% 0.198 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f6acb',
    500: '#3530b3',
    950: '#000000',
  },
}

SCSS

$custom: #3530b3;
$custom-light: #7f6acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3530b3",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 179
  },
  "hsl": {
    "h": 242.29,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41297,
    "c": 0.19792,
    "h": 275
  },
  "luminance": 0.06125
}

Semantic roles & 50–950 ramp

primary

#3530B3

secondary

#C3C679

accent

#E147DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3530B3

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

Preview Lab → · Contrast checker → · Palette generator →