#3040C1#3040C1

#3040C1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.200 H 270.3°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#3040C1
RGB	rgb(48, 64, 193)
HSL	hsl(233, 60%, 47%)
HSV	hsv(233, 75%, 76%)
CMYK	cmyk(75.1%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(34.28, 38.72, -68.98)
CIE-LCH	lch(34.28, 79.10, 299.31°)
OKLab	oklab(44.91% 0.001 -0.1996)
OKLCH	oklch(44.91% 0.2 270.3)
XYZ	xyz(12.6747, 8.1441, 51.3457)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3040C1 #C1B130

analogous

#3089C1 #3040C1 #6830C1

triadic

#3040C1 #C13040 #40C130

tetradic

#3040C1 #C13089 #C1B130 #30C168

square

#3040C1 #C13089 #C1B130 #30C168

split-complementary

#3040C1 #C16830 #89C130

monochromatic

#181F5F #243090 #3040C1 #5966D6 #8A93E2

Accessibility & contrast

On white

7.99

#3040C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3040C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3040C1

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3040C1	#FFFFFF	#000000	##FFFFFF
##3040C1	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C5

Deuteranopia (green-blind)

#004ABF

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3040c1;
/* rgb */ color: rgb(48, 64, 193);
/* oklch */ color: oklch(44.9% 0.200 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f75d5',
    500: '#3040c1',
    950: '#000000',
  },
}

SCSS

$custom: #3040c1;
$custom-light: #7f75d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3040c1",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 233.379,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44908,
    "c": 0.19957,
    "h": 270.3
  },
  "luminance": 0.08145
}

Semantic roles & 50–950 ramp

primary

#3040C1

secondary

#CCC381

accent

#D244E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3040C1

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

Preview Lab → · Contrast checker → · Palette generator →