#3048AD#3048AD

#3048AD is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.164 H 268.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3048AD
RGB	rgb(48, 72, 173)
HSL	hsl(228, 57%, 43%)
HSV	hsv(228, 72%, 68%)
CMYK	cmyk(72.3%, 58.4%, 0%, 32.2%)
CIE-LAB	lab(34.56, 26.31, -56.71)
CIE-LCH	lch(34.56, 62.52, 294.88°)
OKLab	oklab(44.59% -0.0038 -0.1635)
OKLCH	oklch(44.59% 0.164 268.7)
XYZ	xyz(11.0765, 8.2791, 40.5413)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048AD #AD9530

analogous

#3086AD #3048AD #5630AD

triadic

#3048AD #AD3048 #48AD30

tetradic

#3048AD #AD3086 #AD9530 #30AD56

square

#3048AD #AD3086 #AD9530 #30AD56

split-complementary

#3048AD #AD5630 #86AD30

monochromatic

#15204D #23347D #3048AD #4D65CE #7D8FDB

Accessibility & contrast

On white

7.91

#3048AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3048AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048AD

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048AD	#FFFFFF	#000000	##FFFFFF
##3048AD	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3048ad;
/* rgb */ color: rgb(48, 72, 173);
/* oklch */ color: oklch(44.6% 0.164 268.7);

Tailwind

colors: {
  custom: {
    50: '#797ac6',
    500: '#3048ad',
    950: '#000000',
  },
}

SCSS

$custom: #3048ad;
$custom-light: #797ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3048ad",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 173
  },
  "hsl": {
    "h": 228.48,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44585,
    "c": 0.16359,
    "h": 268.7
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary

#3048AD

secondary

#C3B475

accent

#C348E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3048AD

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

Preview Lab → · Contrast checker → · Palette generator →