#3047BF#3047BF

#3047BF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.0% C 0.189 H 269.0°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#3047BF
RGB	rgb(48, 71, 191)
HSL	hsl(230, 60%, 47%)
HSV	hsv(230, 75%, 75%)
CMYK	cmyk(74.9%, 62.8%, 0%, 25.1%)
CIE-LAB	lab(35.78, 33.58, -65.35)
CIE-LCH	lch(35.78, 73.47, 297.19°)
OKLab	oklab(45.95% -0.0032 -0.1889)
OKLCH	oklch(45.95% 0.189 269)
XYZ	xyz(12.8729, 8.8951, 50.3186)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047BF #BFA830

analogous

#308FBF #3047BF #6130BF

triadic

#3047BF #BF3047 #47BF30

tetradic

#3047BF #BF308F #BFA830 #30BF61

square

#3047BF #BF308F #BFA830 #30BF61

split-complementary

#3047BF #BF6130 #8FBF30

monochromatic

#17235D #24358E #3047BF #576CD5 #8897E1

Accessibility & contrast

On white

7.56

#3047BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3047BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047BF

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047BF	#FFFFFF	#000000	##FFFFFF
##3047BF	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3047bf;
/* rgb */ color: rgb(48, 71, 191);
/* oklch */ color: oklch(46.0% 0.189 269.0);

Tailwind

colors: {
  custom: {
    50: '#7e7ad3',
    500: '#3047bf',
    950: '#000000',
  },
}

SCSS

$custom: #3047bf;
$custom-light: #7e7ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3047bf",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 191
  },
  "hsl": {
    "h": 230.35,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45953,
    "c": 0.18893,
    "h": 269
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary

#3047BF

secondary

#CBBF80

accent

#CA45E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3047BF

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

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