#3043BB#3043BB

#3043BB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.188 H 269.9°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3043BB
RGB	rgb(48, 67, 187)
HSL	hsl(232, 59%, 46%)
HSV	hsv(232, 74%, 73%)
CMYK	cmyk(74.3%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(34.46, 34.69, -65.17)
CIE-LCH	lch(34.46, 73.83, 298.02°)
OKLab	oklab(44.87% -0.0005 -0.1884)
OKLCH	oklch(44.87% 0.188 269.9)
XYZ	xyz(12.1926, 8.2292, 47.9499)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3043BB #BBA830

analogous

#3088BB #3043BB #6330BB

triadic

#3043BB #BB3043 #43BB30

tetradic

#3043BB #BB3088 #BBA830 #30BB63

square

#3043BB #BB3088 #BBA830 #30BB63

split-complementary

#3043BB #BB6330 #88BB30

monochromatic

#17205A #23328A #3043BB #5566D3 #8692E0

Accessibility & contrast

On white

7.94

#3043BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3043BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3043BB

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3043BB	#FFFFFF	#000000	##FFFFFF
##3043BB	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3043bb;
/* rgb */ color: rgb(48, 67, 187);
/* oklch */ color: oklch(44.9% 0.188 269.9);

Tailwind

colors: {
  custom: {
    50: '#7d77d0',
    500: '#3043bb',
    950: '#000000',
  },
}

SCSS

$custom: #3043bb;
$custom-light: #7d77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3043bb",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 231.799,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44871,
    "c": 0.1884,
    "h": 269.9
  },
  "luminance": 0.08231
}

Semantic roles & 50–950 ramp

primary

#3043BB

secondary

#C9BF7D

accent

#CD45E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3043BB

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

Preview Lab → · Contrast checker → · Palette generator →