#3147BC#3147BC

#3147BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.185 H 269.3°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#3147BC
RGB	rgb(49, 71, 188)
HSL	hsl(231, 59%, 46%)
HSV	hsv(231, 74%, 74%)
CMYK	cmyk(73.9%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(35.57, 32.60, -63.92)
CIE-LCH	lch(35.57, 71.76, 297.02°)
OKLab	oklab(45.74% -0.0021 -0.1847)
OKLCH	oklch(45.74% 0.185 269.3)
XYZ	xyz(12.5938, 8.7890, 48.5999)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147BC #BCA631

analogous

#318DBC #3147BC #6131BC

triadic

#3147BC #BC3147 #47BC31

tetradic

#3147BC #BC318D #BCA631 #31BC61

square

#3147BC #BC318D #BCA631 #31BC61

split-complementary

#3147BC #BC6131 #8DBC31

monochromatic

#18225B #24358B #3147BC #576BD3 #8896E0

Accessibility & contrast

On white

7.61

#3147BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3147BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147BC

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147BC	#FFFFFF	#000000	##FFFFFF
##3147BC	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3147bc;
/* rgb */ color: rgb(49, 71, 188);
/* oklch */ color: oklch(45.7% 0.185 269.3);

Tailwind

colors: {
  custom: {
    50: '#7d7ad1',
    500: '#3147bc',
    950: '#000000',
  },
}

SCSS

$custom: #3147bc;
$custom-light: #7d7ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3147bc",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 230.504,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45735,
    "c": 0.18471,
    "h": 269.3
  },
  "luminance": 0.0879
}

Semantic roles & 50–950 ramp

primary

#3147BC

secondary

#CABE7F

accent

#C946E2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3147BC

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

Preview Lab → · Contrast checker → · Palette generator →