#3130AC#3130AC

#3130AC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.190 H 274.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#3130AC
RGB	rgb(49, 48, 172)
HSL	hsl(240, 56%, 43%)
HSV	hsv(240, 72%, 67%)
CMYK	cmyk(71.5%, 72.1%, 0%, 32.5%)
CIE-LAB	lab(28.76, 41.27, -65.61)
CIE-LCH	lch(28.76, 77.51, 302.17°)
OKLab	oklab(40.33% 0.0137 -0.1897)
OKLCH	oklch(40.33% 0.19 274.1)
XYZ	xyz(9.7675, 5.7445, 39.6158)
Luminance	0.0575 (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

#3130AC #ABAC30

analogous

#306DAC #3130AC #6F30AC

triadic

#3130AC #AC3130 #30AC31

tetradic

#3130AC #AC306D #ABAC30 #30AC6F

square

#3130AC #AC306D #ABAC30 #30AC6F

split-complementary

#3130AC #AC6F30 #6DAC30

monochromatic

#16154C #23237C #3130AC #4D4CCD #7D7CDA

Accessibility & contrast

On white

9.77

#3130AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3130AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130AC

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130AC	#FFFFFF	#000000	##FFFFFF
##3130AC	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3130ac;
/* rgb */ color: rgb(49, 48, 172);
/* oklch */ color: oklch(40.3% 0.190 274.1);

Tailwind

colors: {
  custom: {
    50: '#7c6ac6',
    500: '#3130ac',
    950: '#000000',
  },
}

SCSS

$custom: #3130ac;
$custom-light: #7c6ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3130ac",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 240.484,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40328,
    "c": 0.19021,
    "h": 274.1
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#3130AC

secondary

#C2C375

accent

#E048DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3130AC

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

Preview Lab → · Contrast checker → · Palette generator →