#312DC5#312DC5

#312DC5 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.223 H 272.7°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#312DC5
RGB	rgb(49, 45, 197)
HSL	hsl(242, 63%, 47%)
HSV	hsv(242, 77%, 77%)
CMYK	cmyk(75.1%, 77.2%, 0%, 22.7%)
CIE-LAB	lab(30.78, 51.12, -77.09)
CIE-LCH	lch(30.78, 92.50, 303.55°)
OKLab	oklab(42.54% 0.0104 -0.2231)
OKLCH	oklch(42.54% 0.223 272.7)
XYZ	xyz(12.2797, 6.5597, 53.4315)
Luminance	0.0656 (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

#312DC5 #C1C52D

analogous

#2D75C5 #312DC5 #7D2DC5

triadic

#312DC5 #C5312D #2DC531

tetradic

#312DC5 #C52D75 #C1C52D #2DC57D

square

#312DC5 #C52D75 #C1C52D #2DC57D

split-complementary

#312DC5 #C57D2D #75C52D

monochromatic

#181661 #252293 #312DC5 #5A57D9 #8B88E4

Accessibility & contrast

On white

9.08

#312DC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#312DC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312DC5

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312DC5	#FFFFFF	#000000	##FFFFFF
##312DC5	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C9

Deuteranopia (green-blind)

#0041C2

Tritanopia (blue-blind)

#005B78

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #312dc5;
/* rgb */ color: rgb(49, 45, 197);
/* oklch */ color: oklch(42.5% 0.223 272.7);

Tailwind

colors: {
  custom: {
    50: '#8269d8',
    500: '#312dc5',
    950: '#000000',
  },
}

SCSS

$custom: #312dc5;
$custom-light: #8269d8;
$custom-dark: #000000;

JSON

{
  "hex": "#312dc5",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 197
  },
  "hsl": {
    "h": 241.579,
    "s": 62.81,
    "l": 47.451
  },
  "oklch": {
    "l": 0.42538,
    "c": 0.22335,
    "h": 272.7
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#312DC5

secondary

#CCCE80

accent

#E642E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #312DC5

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

Preview Lab → · Contrast checker → · Palette generator →