#3130AF#3130AF

#3130AF is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.194 H 273.9°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#3130AF
RGB	rgb(49, 48, 175)
HSL	hsl(240, 57%, 44%)
HSV	hsv(240, 73%, 69%)
CMYK	cmyk(72%, 72.6%, 0%, 31.4%)
CIE-LAB	lab(29.06, 42.29, -66.91)
CIE-LCH	lch(29.06, 79.15, 302.29°)
OKLab	oklab(40.63% 0.0132 -0.1935)
OKLCH	oklch(40.63% 0.194 273.9)
XYZ	xyz(10.0589, 5.8610, 41.1503)
Luminance	0.0586 (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

#3130AF #AEAF30

analogous

#306EAF #3130AF #7030AF

triadic

#3130AF #AF3130 #30AF31

tetradic

#3130AF #AF306E #AEAF30 #30AF70

square

#3130AF #AF306E #AEAF30 #30AF70

split-complementary

#3130AF #AF7030 #6EAF30

monochromatic

#16164F #24237F #3130AF #4F4ECE #7F7EDC

Accessibility & contrast

On white

9.67

#3130AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3130AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130AF

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130AF	#FFFFFF	#000000	##FFFFFF
##3130AF	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003EAD

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3130af;
/* rgb */ color: rgb(49, 48, 175);
/* oklch */ color: oklch(40.6% 0.194 273.9);

Tailwind

colors: {
  custom: {
    50: '#7c6ac8',
    500: '#3130af',
    950: '#000000',
  },
}

SCSS

$custom: #3130af;
$custom-light: #7c6ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3130af",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 175
  },
  "hsl": {
    "h": 240.472,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40633,
    "c": 0.19396,
    "h": 273.9
  },
  "luminance": 0.05862
}

Semantic roles & 50–950 ramp

primary

#3130AF

secondary

#C4C476

accent

#E048DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3130AF

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

Preview Lab → · Contrast checker → · Palette generator →