#3130B8#3130B8

#3130B8 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.6% C 0.205 H 273.2°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#3130B8
RGB	rgb(49, 48, 184)
HSL	hsl(240, 59%, 45%)
HSV	hsv(240, 74%, 72%)
CMYK	cmyk(73.4%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(29.98, 45.28, -70.76)
CIE-LCH	lch(29.98, 84.01, 302.62°)
OKLab	oklab(41.56% 0.0116 -0.2047)
OKLCH	oklch(41.56% 0.205 273.2)
XYZ	xyz(10.9724, 6.2264, 45.9617)
Luminance	0.0623 (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

#3130B8 #B7B830

analogous

#3073B8 #3130B8 #7530B8

triadic

#3130B8 #B83130 #30B831

tetradic

#3130B8 #B83073 #B7B830 #30B875

square

#3130B8 #B83073 #B7B830 #30B875

split-complementary

#3130B8 #B87530 #73B830

monochromatic

#171757 #242387 #3130B8 #5453D2 #8484DF

Accessibility & contrast

On white

9.35

#3130B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3130B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130B8

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130B8	#FFFFFF	#000000	##FFFFFF
##3130B8	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3130b8;
/* rgb */ color: rgb(49, 48, 184);
/* oklch */ color: oklch(41.6% 0.205 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e6acf',
    500: '#3130b8',
    950: '#000000',
  },
}

SCSS

$custom: #3130b8;
$custom-light: #7e6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3130b8",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 240.441,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41561,
    "c": 0.20505,
    "h": 273.2
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#3130B8

secondary

#C8C87C

accent

#E246E1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3130B8

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

Preview Lab → · Contrast checker → · Palette generator →