#3048AB#3048AB

#3048AB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.161 H 268.6°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3048AB
RGB	rgb(48, 72, 171)
HSL	hsl(228, 56%, 43%)
HSV	hsv(228, 72%, 67%)
CMYK	cmyk(71.9%, 57.9%, 0%, 32.9%)
CIE-LAB	lab(34.40, 25.56, -55.78)
CIE-LCH	lch(34.40, 61.36, 294.62°)
OKLab	oklab(44.42% -0.0039 -0.1608)
OKLCH	oklch(44.42% 0.161 268.6)
XYZ	xyz(10.8844, 8.2023, 39.5298)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048AB #AB9330

analogous

#3085AB #3048AB #5630AB

triadic

#3048AB #AB3048 #48AB30

tetradic

#3048AB #AB3085 #AB9330 #30AB56

square

#3048AB #AB3085 #AB9330 #30AB56

split-complementary

#3048AB #AB5630 #85AB30

monochromatic

#15204B #23347B #3048AB #4C65CD #7B8EDA

Accessibility & contrast

On white

7.95

#3048AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3048AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048AB

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048AB	#FFFFFF	#000000	##FFFFFF
##3048AB	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AE

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3048ab;
/* rgb */ color: rgb(48, 72, 171);
/* oklch */ color: oklch(44.4% 0.161 268.6);

Tailwind

colors: {
  custom: {
    50: '#797ac5',
    500: '#3048ab',
    950: '#000000',
  },
}

SCSS

$custom: #3048ab;
$custom-light: #797ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3048ab",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 171
  },
  "hsl": {
    "h": 228.293,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44419,
    "c": 0.16084,
    "h": 268.6
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#3048AB

secondary

#C3B374

accent

#C248DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3048AB

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

Preview Lab → · Contrast checker → · Palette generator →