#3530B1#3530B1

#3530B1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.1% C 0.195 H 275.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#3530B1
RGB	rgb(53, 48, 177)
HSL	hsl(242, 57%, 44%)
HSV	hsv(242, 73%, 69%)
CMYK	cmyk(70.1%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(29.52, 43.37, -67.33)
CIE-LCH	lch(29.52, 80.09, 302.79°)
OKLab	oklab(41.09% 0.0178 -0.1946)
OKLCH	oklch(41.09% 0.195 275.2)
XYZ	xyz(10.4583, 6.0441, 42.2019)
Luminance	0.0604 (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

#3530B1 #ACB130

analogous

#306BB1 #3530B1 #7630B1

triadic

#3530B1 #B13530 #30B135

tetradic

#3530B1 #B1306B #ACB130 #30B176

square

#3530B1 #B1306B #ACB130 #30B176

split-complementary

#3530B1 #B17630 #6BB130

monochromatic

#181651 #272381 #3530B1 #544FCF #837FDC

Accessibility & contrast

On white

9.51

#3530B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3530B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530B1

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3530B1	#FFFFFF	#000000	##FFFFFF
##3530B1	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB5

Deuteranopia (green-blind)

#0040AF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3530b1;
/* rgb */ color: rgb(53, 48, 177);
/* oklch */ color: oklch(41.1% 0.195 275.2);

Tailwind

colors: {
  custom: {
    50: '#7e6aca',
    500: '#3530b1',
    950: '#000000',
  },
}

SCSS

$custom: #3530b1;
$custom-light: #7e6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3530b1",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 242.326,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41094,
    "c": 0.19545,
    "h": 275.2
  },
  "luminance": 0.06045
}

Semantic roles & 50–950 ramp

primary

#3530B1

secondary

#C2C578

accent

#E147DB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3530B1

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

Preview Lab → · Contrast checker → · Palette generator →