#3048A3#3048A3

#3048A3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.150 H 268.4°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3048A3
RGB	rgb(48, 72, 163)
HSL	hsl(227, 55%, 41%)
HSV	hsv(227, 71%, 64%)
CMYK	cmyk(70.6%, 55.8%, 0%, 36.1%)
CIE-LAB	lab(33.79, 22.58, -51.99)
CIE-LCH	lch(33.79, 56.68, 293.47°)
OKLab	oklab(43.77% -0.0042 -0.1496)
OKLCH	oklch(43.77% 0.15 268.4)
XYZ	xyz(10.1449, 7.9064, 35.6347)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048A3 #A38B30

analogous

#3082A3 #3048A3 #5230A3

triadic

#3048A3 #A33048 #48A330

tetradic

#3048A3 #A33082 #A38B30 #30A352

square

#3048A3 #A33082 #A38B30 #30A352

split-complementary

#3048A3 #A35230 #82A330

monochromatic

#141E44 #223374 #3048A3 #4762C9 #778BD7

Accessibility & contrast

On white

8.14

#3048A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3048A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048A3

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048A3	#FFFFFF	#000000	##FFFFFF
##3048A3	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3048a3;
/* rgb */ color: rgb(48, 72, 163);
/* oklch */ color: oklch(43.8% 0.150 268.4);

Tailwind

colors: {
  custom: {
    50: '#777abf',
    500: '#3048a3',
    950: '#000000',
  },
}

SCSS

$custom: #3048a3;
$custom-light: #777abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3048a3",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 163
  },
  "hsl": {
    "h": 227.478,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43765,
    "c": 0.14971,
    "h": 268.4
  },
  "luminance": 0.07907
}

Semantic roles & 50–950 ramp

primary

#3048A3

secondary

#BFAE70

accent

#BF4ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3048A3

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

Preview Lab → · Contrast checker → · Palette generator →