#312DCC#312DCC

#312DCC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.3% C 0.231 H 272.2°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#312DCC
RGB	rgb(49, 45, 204)
HSL	hsl(242, 64%, 49%)
HSV	hsv(242, 78%, 80%)
CMYK	cmyk(76%, 77.9%, 0%, 20%)
CIE-LAB	lab(31.55, 53.32, -79.91)
CIE-LCH	lch(31.55, 96.07, 303.71°)
OKLab	oklab(43.3% 0.0089 -0.2313)
OKLCH	oklch(43.3% 0.231 272.2)
XYZ	xyz(13.1004, 6.8880, 57.7541)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312DCC #C8CC2D

analogous

#2D79CC #312DCC #812DCC

triadic

#312DCC #CC312D #2DCC31

tetradic

#312DCC #CC2D79 #C8CC2D #2DCC81

square

#312DCC #CC2D79 #C8CC2D #2DCC81

split-complementary

#312DCC #CC812D #79CC2D

monochromatic

#191768 #25229A #312DCC #5F5BDB #908DE6

Accessibility & contrast

On white

8.83

#312DCC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#312DCC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312DCC

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312DCC	#FFFFFF	#000000	##FFFFFF
##312DCC	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D0

Deuteranopia (green-blind)

#0042C9

Tritanopia (blue-blind)

#005E7C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #312dcc;
/* rgb */ color: rgb(49, 45, 204);
/* oklch */ color: oklch(43.3% 0.231 272.2);

Tailwind

colors: {
  custom: {
    50: '#8369dd',
    500: '#312dcc',
    950: '#000000',
  },
}

SCSS

$custom: #312dcc;
$custom-light: #8369dd;
$custom-dark: #000000;

JSON

{
  "hex": "#312dcc",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 204
  },
  "hsl": {
    "h": 241.509,
    "s": 63.855,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43302,
    "c": 0.23146,
    "h": 272.2
  },
  "luminance": 0.06889
}

Semantic roles & 50–950 ramp

primary

#312DCC

secondary

#CED085

accent

#E741E3

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #312DCC

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

Preview Lab → · Contrast checker → · Palette generator →