#3048B0#3048B0

#3048B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.168 H 268.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3048B0
RGB	rgb(48, 72, 176)
HSL	hsl(229, 57%, 44%)
HSV	hsv(229, 73%, 69%)
CMYK	cmyk(72.7%, 59.1%, 0%, 31%)
CIE-LAB	lab(34.80, 27.42, -58.11)
CIE-LCH	lch(34.80, 64.25, 295.26°)
OKLab	oklab(44.84% -0.0038 -0.1676)
OKLCH	oklch(44.84% 0.168 268.7)
XYZ	xyz(11.3701, 8.3965, 42.0873)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048B0 #B09830

analogous

#3088B0 #3048B0 #5830B0

triadic

#3048B0 #B03048 #48B030

tetradic

#3048B0 #B03088 #B09830 #30B058

square

#3048B0 #B03088 #B09830 #30B058

split-complementary

#3048B0 #B05830 #88B030

monochromatic

#162150 #233480 #3048B0 #4E66CF #7E90DC

Accessibility & contrast

On white

7.84

#3048B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3048B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048B0

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048B0	#FFFFFF	#000000	##FFFFFF
##3048B0	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3048b0;
/* rgb */ color: rgb(48, 72, 176);
/* oklch */ color: oklch(44.8% 0.168 268.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ac8',
    500: '#3048b0',
    950: '#000000',
  },
}

SCSS

$custom: #3048b0;
$custom-light: #7a7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3048b0",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 176
  },
  "hsl": {
    "h": 228.75,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44837,
    "c": 0.16769,
    "h": 268.7
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#3048B0

secondary

#C5B677

accent

#C447E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3048B0

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

Preview Lab → · Contrast checker → · Palette generator →