#3130B7#3130B7

#3130B7 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.204 H 273.3°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#3130B7
RGB	rgb(49, 48, 183)
HSL	hsl(240, 58%, 45%)
HSV	hsv(240, 74%, 72%)
CMYK	cmyk(73.2%, 73.8%, 0%, 28.2%)
CIE-LAB	lab(29.87, 44.95, -70.34)
CIE-LCH	lch(29.87, 83.47, 302.58°)
OKLab	oklab(41.46% 0.0118 -0.2035)
OKLCH	oklch(41.46% 0.204 273.3)
XYZ	xyz(10.8680, 6.1847, 45.4116)
Luminance	0.0619 (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

#3130B7 #B6B730

analogous

#3073B7 #3130B7 #7430B7

triadic

#3130B7 #B73130 #30B731

tetradic

#3130B7 #B73073 #B6B730 #30B774

square

#3130B7 #B73073 #B6B730 #30B774

split-complementary

#3130B7 #B77430 #73B730

monochromatic

#171756 #242387 #3130B7 #5352D2 #8483DE

Accessibility & contrast

On white

9.39

#3130B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3130B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130B7

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130B7	#FFFFFF	#000000	##FFFFFF
##3130B7	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0040B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3130b7;
/* rgb */ color: rgb(49, 48, 183);
/* oklch */ color: oklch(41.5% 0.204 273.3);

Tailwind

colors: {
  custom: {
    50: '#7e6ace',
    500: '#3130b7',
    950: '#000000',
  },
}

SCSS

$custom: #3130b7;
$custom-light: #7e6ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3130b7",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 183
  },
  "hsl": {
    "h": 240.444,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41457,
    "c": 0.20383,
    "h": 273.3
  },
  "luminance": 0.06186
}

Semantic roles & 50–950 ramp

primary

#3130B7

secondary

#C7C87B

accent

#E246E1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3130B7

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

Preview Lab → · Contrast checker → · Palette generator →