#3047BC#3047BC

#3047BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.185 H 269.0°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3047BC
RGB	rgb(48, 71, 188)
HSL	hsl(230, 59%, 46%)
HSV	hsv(230, 74%, 74%)
CMYK	cmyk(74.5%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(35.53, 32.48, -64.00)
CIE-LCH	lch(35.53, 71.78, 296.91°)
OKLab	oklab(45.69% -0.0031 -0.185)
OKLCH	oklch(45.69% 0.185 269)
XYZ	xyz(12.5461, 8.7644, 48.5977)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047BC #BCA530

analogous

#308DBC #3047BC #5F30BC

triadic

#3047BC #BC3047 #47BC30

tetradic

#3047BC #BC308D #BCA530 #30BC5F

square

#3047BC #BC308D #BCA530 #30BC5F

split-complementary

#3047BC #BC5F30 #8DBC30

monochromatic

#17225A #24358B #3047BC #556AD4 #8695E0

Accessibility & contrast

On white

7.63

#3047BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3047BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047BC

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047BC	#FFFFFF	#000000	##FFFFFF
##3047BC	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	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: #3047bc;
/* rgb */ color: rgb(48, 71, 188);
/* oklch */ color: oklch(45.7% 0.185 269.0);

Tailwind

colors: {
  custom: {
    50: '#7d7ad1',
    500: '#3047bc',
    950: '#000000',
  },
}

SCSS

$custom: #3047bc;
$custom-light: #7d7ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3047bc",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 230.143,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45687,
    "c": 0.18499,
    "h": 269
  },
  "luminance": 0.08766
}

Semantic roles & 50–950 ramp

primary

#3047BC

secondary

#CABD7E

accent

#C945E3

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3047BC

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

Preview Lab → · Contrast checker → · Palette generator →