#3130B9#3130B9

#3130B9 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.206 H 273.2°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#3130B9
RGB	rgb(49, 48, 185)
HSL	hsl(240, 59%, 46%)
HSV	hsv(240, 74%, 73%)
CMYK	cmyk(73.5%, 74.1%, 0%, 27.5%)
CIE-LAB	lab(30.08, 45.61, -71.18)
CIE-LCH	lch(30.08, 84.54, 302.65°)
OKLab	oklab(41.67% 0.0114 -0.2059)
OKLCH	oklch(41.67% 0.206 273.2)
XYZ	xyz(11.0776, 6.2685, 46.5157)
Luminance	0.0627 (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

#3130B9 #B8B930

analogous

#3073B9 #3130B9 #7530B9

triadic

#3130B9 #B93130 #30B931

tetradic

#3130B9 #B93073 #B8B930 #30B975

square

#3130B9 #B93073 #B8B930 #30B975

split-complementary

#3130B9 #B97530 #73B930

monochromatic

#171758 #242388 #3130B9 #5554D3 #8584DF

Accessibility & contrast

On white

9.32

#3130B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3130B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130B9

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130B9	#FFFFFF	#000000	##FFFFFF
##3130B9	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBD

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3130b9;
/* rgb */ color: rgb(49, 48, 185);
/* oklch */ color: oklch(41.7% 0.206 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f6acf',
    500: '#3130b9',
    950: '#000000',
  },
}

SCSS

$custom: #3130b9;
$custom-light: #7f6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3130b9",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 185
  },
  "hsl": {
    "h": 240.438,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41665,
    "c": 0.20627,
    "h": 273.2
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#3130B9

secondary

#C8C97C

accent

#E246E1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3130B9

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

Preview Lab → · Contrast checker → · Palette generator →