#3130BB#3130BB

#3130BB is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.9% C 0.209 H 273.0°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3130BB
RGB	rgb(49, 48, 187)
HSL	hsl(240, 59%, 46%)
HSV	hsv(240, 74%, 73%)
CMYK	cmyk(73.8%, 74.3%, 0%, 26.7%)
CIE-LAB	lab(30.29, 46.27, -72.02)
CIE-LCH	lch(30.29, 85.60, 302.72°)
OKLab	oklab(41.87% 0.0111 -0.2084)
OKLCH	oklch(41.87% 0.209 273)
XYZ	xyz(11.2902, 6.3536, 47.6354)
Luminance	0.0635 (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

#3130BB #BABB30

analogous

#3074BB #3130BB #7630BB

triadic

#3130BB #BB3130 #30BB31

tetradic

#3130BB #BB3074 #BABB30 #30BB76

square

#3130BB #BB3074 #BABB30 #30BB76

split-complementary

#3130BB #BB7630 #74BB30

monochromatic

#17175A #24238A #3130BB #5655D3 #8686E0

Accessibility & contrast

On white

9.25

#3130BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3130BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130BB

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130BB	#FFFFFF	#000000	##FFFFFF
##3130BB	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0040B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3130bb;
/* rgb */ color: rgb(49, 48, 187);
/* oklch */ color: oklch(41.9% 0.209 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f6ad1',
    500: '#3130bb',
    950: '#000000',
  },
}

SCSS

$custom: #3130bb;
$custom-light: #7f6ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3130bb",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 187
  },
  "hsl": {
    "h": 240.432,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.41874,
    "c": 0.20869,
    "h": 273
  },
  "luminance": 0.06355
}

Semantic roles & 50–950 ramp

primary

#3130BB

secondary

#C9C97D

accent

#E245E1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3130BB

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

Preview Lab → · Contrast checker → · Palette generator →