#3048B4#3048B4

#3048B4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.173 H 268.8°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3048B4
RGB	rgb(48, 72, 180)
HSL	hsl(229, 58%, 45%)
HSV	hsv(229, 73%, 71%)
CMYK	cmyk(73.3%, 60%, 0%, 29.4%)
CIE-LAB	lab(35.12, 28.90, -59.96)
CIE-LCH	lch(35.12, 66.56, 295.73°)
OKLab	oklab(45.18% -0.0037 -0.1731)
OKLCH	oklch(45.18% 0.173 268.8)
XYZ	xyz(11.7717, 8.5572, 44.2025)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048B4 #B49C30

analogous

#308AB4 #3048B4 #5A30B4

triadic

#3048B4 #B43048 #48B430

tetradic

#3048B4 #B4308A #B49C30 #30B45A

square

#3048B4 #B4308A #B49C30 #30B45A

split-complementary

#3048B4 #B45A30 #8AB430

monochromatic

#162153 #233584 #3048B4 #5168D1 #8192DD

Accessibility & contrast

On white

7.74

#3048B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3048B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048B4

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048B4	#FFFFFF	#000000	##FFFFFF
##3048B4	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3048b4;
/* rgb */ color: rgb(48, 72, 180);
/* oklch */ color: oklch(45.2% 0.173 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b7acb',
    500: '#3048b4',
    950: '#000000',
  },
}

SCSS

$custom: #3048b4;
$custom-light: #7b7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3048b4",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 180
  },
  "hsl": {
    "h": 229.091,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45177,
    "c": 0.17311,
    "h": 268.8
  },
  "luminance": 0.08558
}

Semantic roles & 50–950 ramp

primary

#3048B4

secondary

#C6B879

accent

#C547E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3048B4

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

Preview Lab → · Contrast checker → · Palette generator →