#3031C1#3031C1

#3031C1 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.215 H 272.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#3031C1
RGB	rgb(48, 49, 193)
HSL	hsl(240, 60%, 47%)
HSV	hsv(240, 75%, 76%)
CMYK	cmyk(75.1%, 74.6%, 0%, 24.3%)
CIE-LAB	lab(31.05, 47.60, -74.30)
CIE-LCH	lch(31.05, 88.24, 302.64°)
OKLab	oklab(42.59% 0.0084 -0.215)
OKLCH	oklch(42.59% 0.215 272.2)
XYZ	xyz(11.9396, 6.6740, 51.1007)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031C1 #C1C030

analogous

#307AC1 #3031C1 #7730C1

triadic

#3031C1 #C13031 #31C130

tetradic

#3031C1 #C1307A #C1C030 #30C177

square

#3031C1 #C1307A #C1C030 #30C177

split-complementary

#3031C1 #C17730 #7AC130

monochromatic

#18185F #242590 #3031C1 #5959D6 #8A8AE2

Accessibility & contrast

On white

8.99

#3031C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3031C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031C1

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031C1	#FFFFFF	#000000	##FFFFFF
##3031C1	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C5

Deuteranopia (green-blind)

#0042BE

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3031c1;
/* rgb */ color: rgb(48, 49, 193);
/* oklch */ color: oklch(42.6% 0.215 272.2);

Tailwind

colors: {
  custom: {
    50: '#806bd5',
    500: '#3031c1',
    950: '#000000',
  },
}

SCSS

$custom: #3031c1;
$custom-light: #806bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3031c1",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 193
  },
  "hsl": {
    "h": 239.586,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42587,
    "c": 0.21521,
    "h": 272.2
  },
  "luminance": 0.06675
}

Semantic roles & 50–950 ramp

primary

#3031C1

secondary

#CCCB81

accent

#E244E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3031C1

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

Preview Lab → · Contrast checker → · Palette generator →