#3047B2#3047B2

#3047B2 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.172 H 269.0°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3047B2
RGB	rgb(48, 71, 178)
HSL	hsl(229, 58%, 44%)
HSV	hsv(229, 73%, 70%)
CMYK	cmyk(73%, 60.1%, 0%, 30.2%)
CIE-LAB	lab(34.70, 28.81, -59.46)
CIE-LCH	lch(34.70, 66.07, 295.86°)
OKLab	oklab(44.81% -0.003 -0.1716)
OKLCH	oklch(44.81% 0.172 269)
XYZ	xyz(11.5053, 8.3480, 43.1158)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047B2 #B29B30

analogous

#3088B2 #3047B2 #5A30B2

triadic

#3047B2 #B23047 #47B230

tetradic

#3047B2 #B23088 #B29B30 #30B25A

square

#3047B2 #B23088 #B29B30 #30B25A

split-complementary

#3047B2 #B25A30 #88B230

monochromatic

#162152 #233482 #3047B2 #5066D0 #8090DD

Accessibility & contrast

On white

7.87

#3047B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3047B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047B2

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047B2	#FFFFFF	#000000	##FFFFFF
##3047B2	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3047b2;
/* rgb */ color: rgb(48, 71, 178);
/* oklch */ color: oklch(44.8% 0.172 269.0);

Tailwind

colors: {
  custom: {
    50: '#7b7aca',
    500: '#3047b2',
    950: '#000000',
  },
}

SCSS

$custom: #3047b2;
$custom-light: #7b7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3047b2",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 178
  },
  "hsl": {
    "h": 229.385,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44814,
    "c": 0.17164,
    "h": 269
  },
  "luminance": 0.08349
}

Semantic roles & 50–950 ramp

primary

#3047B2

secondary

#C6B878

accent

#C647E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3047B2

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

Preview Lab → · Contrast checker → · Palette generator →