#3048B3#3048B3

#3048B3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.172 H 268.8°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3048B3
RGB	rgb(48, 72, 179)
HSL	hsl(229, 58%, 45%)
HSV	hsv(229, 73%, 70%)
CMYK	cmyk(73.2%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(35.04, 28.53, -59.50)
CIE-LCH	lch(35.04, 65.98, 295.62°)
OKLab	oklab(45.09% -0.0037 -0.1717)
OKLCH	oklch(45.09% 0.172 268.8)
XYZ	xyz(11.6702, 8.5166, 43.6679)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048B3 #B39B30

analogous

#3089B3 #3048B3 #5A30B3

triadic

#3048B3 #B33048 #48B330

tetradic

#3048B3 #B33089 #B39B30 #30B35A

square

#3048B3 #B33089 #B39B30 #30B35A

split-complementary

#3048B3 #B35A30 #89B330

monochromatic

#162152 #233583 #3048B3 #5068D0 #8091DD

Accessibility & contrast

On white

7.77

#3048B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3048B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048B3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048B3	#FFFFFF	#000000	##FFFFFF
##3048B3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3048b3;
/* rgb */ color: rgb(48, 72, 179);
/* oklch */ color: oklch(45.1% 0.172 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b7acb',
    500: '#3048b3',
    950: '#000000',
  },
}

SCSS

$custom: #3048b3;
$custom-light: #7b7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3048b3",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 229.008,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45092,
    "c": 0.17176,
    "h": 268.8
  },
  "luminance": 0.08518
}

Semantic roles & 50–950 ramp

primary

#3048B3

secondary

#C6B879

accent

#C547E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3048B3

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

Preview Lab → · Contrast checker → · Palette generator →