#3530B5#3530B5

#3530B5 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.200 H 274.9°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#3530B5
RGB	rgb(53, 48, 181)
HSL	hsl(242, 58%, 45%)
HSV	hsv(242, 73%, 71%)
CMYK	cmyk(70.7%, 73.5%, 0%, 29%)
CIE-LAB	lab(29.93, 44.69, -69.05)
CIE-LCH	lch(29.93, 82.25, 302.91°)
OKLab	oklab(41.5% 0.017 -0.1996)
OKLCH	oklch(41.5% 0.2 274.9)
XYZ	xyz(10.8629, 6.2059, 44.3325)
Luminance	0.0621 (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

#3530B5 #B0B530

analogous

#306DB5 #3530B5 #7830B5

triadic

#3530B5 #B53530 #30B535

tetradic

#3530B5 #B5306D #B0B530 #30B578

square

#3530B5 #B5306D #B0B530 #30B578

split-complementary

#3530B5 #B57830 #6DB530

monochromatic

#191654 #272385 #3530B5 #5651D1 #8582DE

Accessibility & contrast

On white

9.37

#3530B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3530B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530B5

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3530B5	#FFFFFF	#000000	##FFFFFF
##3530B5	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3530b5;
/* rgb */ color: rgb(53, 48, 181);
/* oklch */ color: oklch(41.5% 0.200 274.9);

Tailwind

colors: {
  custom: {
    50: '#7f6acc',
    500: '#3530b5',
    950: '#000000',
  },
}

SCSS

$custom: #3530b5;
$custom-light: #7f6acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3530b5",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 181
  },
  "hsl": {
    "h": 242.256,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41501,
    "c": 0.20038,
    "h": 274.9
  },
  "luminance": 0.06207
}

Semantic roles & 50–950 ramp

primary

#3530B5

secondary

#C4C77A

accent

#E146DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3530B5

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

Preview Lab → · Contrast checker → · Palette generator →