#3530B4#3530B4

#3530B4 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.4% C 0.199 H 275.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#3530B4
RGB	rgb(53, 48, 180)
HSL	hsl(242, 58%, 45%)
HSV	hsv(242, 73%, 71%)
CMYK	cmyk(70.6%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(29.83, 44.36, -68.62)
CIE-LCH	lch(29.83, 81.71, 302.88°)
OKLab	oklab(41.4% 0.0172 -0.1984)
OKLCH	oklch(41.4% 0.199 275)
XYZ	xyz(10.7606, 6.1651, 43.7941)
Luminance	0.0617 (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

#3530B4 #AFB430

analogous

#306DB4 #3530B4 #7730B4

triadic

#3530B4 #B43530 #30B435

tetradic

#3530B4 #B4306D #AFB430 #30B477

square

#3530B4 #B4306D #AFB430 #30B477

split-complementary

#3530B4 #B47730 #6DB430

monochromatic

#191653 #272384 #3530B4 #5651D1 #8581DD

Accessibility & contrast

On white

9.40

#3530B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3530B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530B4

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3530B4	#FFFFFF	#000000	##FFFFFF
##3530B4	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3530b4;
/* rgb */ color: rgb(53, 48, 180);
/* oklch */ color: oklch(41.4% 0.199 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f6acc',
    500: '#3530b4',
    950: '#000000',
  },
}

SCSS

$custom: #3530b4;
$custom-light: #7f6acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3530b4",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 242.273,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41399,
    "c": 0.19915,
    "h": 275
  },
  "luminance": 0.06166
}

Semantic roles & 50–950 ramp

primary

#3530B4

secondary

#C4C679

accent

#E147DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3530B4

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

Preview Lab → · Contrast checker → · Palette generator →