#3047AC#3047AC

#3047AC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.163 H 268.9°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3047AC
RGB	rgb(48, 71, 172)
HSL	hsl(229, 56%, 43%)
HSV	hsv(229, 72%, 67%)
CMYK	cmyk(72.1%, 58.7%, 0%, 32.5%)
CIE-LAB	lab(34.22, 26.59, -56.68)
CIE-LCH	lch(34.22, 62.60, 295.14°)
OKLab	oklab(44.31% -0.0031 -0.1634)
OKLCH	oklch(44.31% 0.163 268.9)
XYZ	xyz(10.9160, 8.1123, 40.0123)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047AC #AC9530

analogous

#3085AC #3047AC #5730AC

triadic

#3047AC #AC3047 #47AC30

tetradic

#3047AC #AC3085 #AC9530 #30AC57

square

#3047AC #AC3085 #AC9530 #30AC57

split-complementary

#3047AC #AC5730 #85AC30

monochromatic

#151F4C #23337C #3047AC #4C64CD #7C8DDA

Accessibility & contrast

On white

8.01

#3047AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3047AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047AC

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047AC	#FFFFFF	#000000	##FFFFFF
##3047AC	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3047ac;
/* rgb */ color: rgb(48, 71, 172);
/* oklch */ color: oklch(44.3% 0.163 268.9);

Tailwind

colors: {
  custom: {
    50: '#7979c6',
    500: '#3047ac',
    950: '#000000',
  },
}

SCSS

$custom: #3047ac;
$custom-light: #7979c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3047ac",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 172
  },
  "hsl": {
    "h": 228.871,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44305,
    "c": 0.16347,
    "h": 268.9
  },
  "luminance": 0.08113
}

Semantic roles & 50–950 ramp

primary

#3047AC

secondary

#C3B475

accent

#C448E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3047AC

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

Preview Lab → · Contrast checker → · Palette generator →