#3530BB#3530BB

#3530BB is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.1% C 0.208 H 274.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#3530BB
RGB	rgb(53, 48, 187)
HSL	hsl(242, 59%, 46%)
HSV	hsv(242, 74%, 73%)
CMYK	cmyk(71.7%, 74.3%, 0%, 26.7%)
CIE-LAB	lab(30.54, 46.64, -71.60)
CIE-LCH	lch(30.54, 85.45, 303.08°)
OKLab	oklab(42.12% 0.0159 -0.2071)
OKLCH	oklch(42.12% 0.208 274.4)
XYZ	xyz(11.4918, 6.4575, 47.6449)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3530BB #B6BB30

analogous

#3070BB #3530BB #7A30BB

triadic

#3530BB #BB3530 #30BB35

tetradic

#3530BB #BB3070 #B6BB30 #30BB7A

square

#3530BB #BB3070 #B6BB30 #30BB7A

split-complementary

#3530BB #BB7A30 #70BB30

monochromatic

#19175A #27238A #3530BB #5955D3 #8986E0

Accessibility & contrast

On white

9.16

#3530BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3530BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530BB

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3530BB	#FFFFFF	#000000	##FFFFFF
##3530BB	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0041B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3530bb;
/* rgb */ color: rgb(53, 48, 187);
/* oklch */ color: oklch(42.1% 0.208 274.4);

Tailwind

colors: {
  custom: {
    50: '#806ad1',
    500: '#3530bb',
    950: '#000000',
  },
}

SCSS

$custom: #3530bb;
$custom-light: #806ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3530bb",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 187
  },
  "hsl": {
    "h": 242.158,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42119,
    "c": 0.20769,
    "h": 274.4
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#3530BB

secondary

#C7C97D

accent

#E245DD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3530BB

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

Preview Lab → · Contrast checker → · Palette generator →