#3042BB#3042BB

#3042BB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.190 H 270.1°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3042BB
RGB	rgb(48, 66, 187)
HSL	hsl(232, 59%, 46%)
HSV	hsv(232, 74%, 73%)
CMYK	cmyk(74.3%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(34.21, 35.32, -65.57)
CIE-LCH	lch(34.21, 74.47, 298.31°)
OKLab	oklab(44.69% 0.0002 -0.1896)
OKLCH	oklch(44.69% 0.19 270.1)
XYZ	xyz(12.1337, 8.1114, 47.9303)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3042BB #BBA930

analogous

#3087BB #3042BB #6330BB

triadic

#3042BB #BB3042 #42BB30

tetradic

#3042BB #BB3087 #BBA930 #30BB63

square

#3042BB #BB3087 #BBA930 #30BB63

split-complementary

#3042BB #BB6330 #87BB30

monochromatic

#17205A #23318A #3042BB #5565D3 #8691E0

Accessibility & contrast

On white

8.01

#3042BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3042BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3042BB

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3042BB	#FFFFFF	#000000	##FFFFFF
##3042BB	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3042bb;
/* rgb */ color: rgb(48, 66, 187);
/* oklch */ color: oklch(44.7% 0.190 270.1);

Tailwind

colors: {
  custom: {
    50: '#7d76d0',
    500: '#3042bb',
    950: '#000000',
  },
}

SCSS

$custom: #3042bb;
$custom-light: #7d76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3042bb",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 232.23,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.18957,
    "h": 270.1
  },
  "luminance": 0.08113
}

Semantic roles & 50–950 ramp

primary

#3042BB

secondary

#C9C07D

accent

#CE45E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3042BB

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

Preview Lab → · Contrast checker → · Palette generator →