#3130A5#3130A5

#3130A5 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.181 H 274.7°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3130A5
RGB	rgb(49, 48, 165)
HSL	hsl(241, 55%, 42%)
HSV	hsv(241, 71%, 65%)
CMYK	cmyk(70.3%, 70.9%, 0%, 35.3%)
CIE-LAB	lab(28.07, 38.90, -62.53)
CIE-LCH	lch(28.07, 73.64, 301.88°)
OKLab	oklab(39.63% 0.0148 -0.1807)
OKLCH	oklch(39.63% 0.181 274.7)
XYZ	xyz(9.1129, 5.4826, 36.1680)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3130A5 #A4A530

analogous

#306AA5 #3130A5 #6C30A5

triadic

#3130A5 #A53130 #30A531

tetradic

#3130A5 #A5306A #A4A530 #30A56C

square

#3130A5 #A5306A #A4A530 #30A56C

split-complementary

#3130A5 #A56C30 #6AA530

monochromatic

#151446 #232276 #3130A5 #4948CA #7978D8

Accessibility & contrast

On white

10.02

#3130A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3130A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130A5

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130A5	#FFFFFF	#000000	##FFFFFF
##3130A5	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A9

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3130a5;
/* rgb */ color: rgb(49, 48, 165);
/* oklch */ color: oklch(39.6% 0.181 274.7);

Tailwind

colors: {
  custom: {
    50: '#7a69c1',
    500: '#3130a5',
    950: '#000000',
  },
}

SCSS

$custom: #3130a5;
$custom-light: #7a69c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3130a5",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 165
  },
  "hsl": {
    "h": 240.513,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39625,
    "c": 0.18133,
    "h": 274.7
  },
  "luminance": 0.05483
}

Semantic roles & 50–950 ramp

primary

#3130A5

secondary

#BFC071

accent

#DE4ADD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3130A5

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

Preview Lab → · Contrast checker → · Palette generator →