#3048AA#3048AA

#3048AA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.3% C 0.159 H 268.6°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3048AA
RGB	rgb(48, 72, 170)
HSL	hsl(228, 56%, 43%)
HSV	hsv(228, 72%, 67%)
CMYK	cmyk(71.8%, 57.6%, 0%, 33.3%)
CIE-LAB	lab(34.32, 25.19, -55.31)
CIE-LCH	lch(34.32, 60.77, 294.49°)
OKLab	oklab(44.34% -0.0039 -0.1594)
OKLCH	oklch(44.34% 0.159 268.6)
XYZ	xyz(10.7895, 8.1643, 39.0297)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048AA #AA9230

analogous

#3085AA #3048AA #5530AA

triadic

#3048AA #AA3048 #48AA30

tetradic

#3048AA #AA3085 #AA9230 #30AA55

square

#3048AA #AA3085 #AA9230 #30AA55

split-complementary

#3048AA #AA5530 #85AA30

monochromatic

#15204B #23347A #3048AA #4B64CC #7B8DDA

Accessibility & contrast

On white

7.98

#3048AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3048AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048AA

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048AA	#FFFFFF	#000000	##FFFFFF
##3048AA	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004BA8

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3048aa;
/* rgb */ color: rgb(48, 72, 170);
/* oklch */ color: oklch(44.3% 0.159 268.6);

Tailwind

colors: {
  custom: {
    50: '#797ac4',
    500: '#3048aa',
    950: '#000000',
  },
}

SCSS

$custom: #3048aa;
$custom-light: #797ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3048aa",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 170
  },
  "hsl": {
    "h": 228.197,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44336,
    "c": 0.15946,
    "h": 268.6
  },
  "luminance": 0.08165
}

Semantic roles & 50–950 ramp

primary

#3048AA

secondary

#C2B374

accent

#C249DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3048AA

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

Preview Lab → · Contrast checker → · Palette generator →