#3047BD#3047BD

#3047BD is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.186 H 269.0°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3047BD
RGB	rgb(48, 71, 189)
HSL	hsl(230, 59%, 46%)
HSV	hsv(230, 75%, 74%)
CMYK	cmyk(74.6%, 62.4%, 0%, 25.9%)
CIE-LAB	lab(35.61, 32.85, -64.45)
CIE-LCH	lch(35.61, 72.34, 297.01°)
OKLab	oklab(45.78% -0.0031 -0.1863)
OKLCH	oklch(45.78% 0.186 269)
XYZ	xyz(12.6543, 8.8076, 49.1674)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047BD #BDA630

analogous

#308EBD #3047BD #6030BD

triadic

#3047BD #BD3047 #47BD30

tetradic

#3047BD #BD308E #BDA630 #30BD60

square

#3047BD #BD308E #BDA630 #30BD60

split-complementary

#3047BD #BD6030 #8EBD30

monochromatic

#17225B #24358C #3047BD #566BD4 #8796E0

Accessibility & contrast

On white

7.60

#3047BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3047BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047BD

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047BD	#FFFFFF	#000000	##FFFFFF
##3047BD	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3047bd;
/* rgb */ color: rgb(48, 71, 189);
/* oklch */ color: oklch(45.8% 0.186 269.0);

Tailwind

colors: {
  custom: {
    50: '#7d7ad2',
    500: '#3047bd',
    950: '#000000',
  },
}

SCSS

$custom: #3047bd;
$custom-light: #7d7ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3047bd",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 189
  },
  "hsl": {
    "h": 230.213,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45775,
    "c": 0.1863,
    "h": 269
  },
  "luminance": 0.08809
}

Semantic roles & 50–950 ramp

primary

#3047BD

secondary

#CABE7F

accent

#C945E3

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3047BD

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

Preview Lab → · Contrast checker → · Palette generator →