#3130BF#3130BF

#3130BF is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.214 H 272.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3130BF
RGB	rgb(49, 48, 191)
HSL	hsl(240, 60%, 47%)
HSV	hsv(240, 75%, 75%)
CMYK	cmyk(74.3%, 74.9%, 0%, 25.1%)
CIE-LAB	lab(30.71, 47.58, -73.69)
CIE-LCH	lch(30.71, 87.72, 302.85°)
OKLab	oklab(42.3% 0.0103 -0.2133)
OKLCH	oklch(42.3% 0.214 272.8)
XYZ	xyz(11.7244, 6.5272, 49.9221)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3130BF #BEBF30

analogous

#3076BF #3130BF #7930BF

triadic

#3130BF #BF3130 #30BF31

tetradic

#3130BF #BF3076 #BEBF30 #30BF79

square

#3130BF #BF3076 #BEBF30 #30BF79

split-complementary

#3130BF #BF7930 #76BF30

monochromatic

#18175D #24248E #3130BF #5857D5 #8988E1

Accessibility & contrast

On white

9.11

#3130BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3130BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130BF

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130BF	#FFFFFF	#000000	##FFFFFF
##3130BF	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC3

Deuteranopia (green-blind)

#0041BC

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3130bf;
/* rgb */ color: rgb(49, 48, 191);
/* oklch */ color: oklch(42.3% 0.214 272.8);

Tailwind

colors: {
  custom: {
    50: '#806ad4',
    500: '#3130bf',
    950: '#000000',
  },
}

SCSS

$custom: #3130bf;
$custom-light: #806ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3130bf",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 191
  },
  "hsl": {
    "h": 240.42,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42295,
    "c": 0.21351,
    "h": 272.8
  },
  "luminance": 0.06528
}

Semantic roles & 50–950 ramp

primary

#3130BF

secondary

#CACB80

accent

#E345E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3130BF

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

Preview Lab → · Contrast checker → · Palette generator →