#3047AA#3047AA

#3047AA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.161 H 268.9°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3047AA
RGB	rgb(48, 71, 170)
HSL	hsl(229, 56%, 43%)
HSV	hsv(229, 72%, 67%)
CMYK	cmyk(71.8%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(34.06, 25.85, -55.74)
CIE-LCH	lch(34.06, 61.44, 294.88°)
OKLab	oklab(44.14% -0.0031 -0.1607)
OKLCH	oklch(44.14% 0.161 268.9)
XYZ	xyz(10.7254, 8.0360, 39.0083)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047AA #AA9330

analogous

#3084AA #3047AA #5630AA

triadic

#3047AA #AA3047 #47AA30

tetradic

#3047AA #AA3084 #AA9330 #30AA56

square

#3047AA #AA3084 #AA9330 #30AA56

split-complementary

#3047AA #AA5630 #84AA30

monochromatic

#151F4B #23337A #3047AA #4B63CC #7B8DDA

Accessibility & contrast

On white

8.05

#3047AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3047AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047AA

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047AA	#FFFFFF	#000000	##FFFFFF
##3047AA	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004BA8

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3047aa;
/* rgb */ color: rgb(48, 71, 170);
/* oklch */ color: oklch(44.1% 0.161 268.9);

Tailwind

colors: {
  custom: {
    50: '#7979c4',
    500: '#3047aa',
    950: '#000000',
  },
}

SCSS

$custom: #3047aa;
$custom-light: #7979c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3047aa",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 228.689,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44138,
    "c": 0.16072,
    "h": 268.9
  },
  "luminance": 0.08037
}

Semantic roles & 50–950 ramp

primary

#3047AA

secondary

#C2B374

accent

#C349DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3047AA

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

Preview Lab → · Contrast checker → · Palette generator →