#312FCE#312FCE

#312FCE is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.8% C 0.232 H 271.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#312FCE
RGB	rgb(49, 47, 206)
HSL	hsl(241, 63%, 50%)
HSV	hsv(241, 77%, 81%)
CMYK	cmyk(76.2%, 77.2%, 0%, 19.2%)
CIE-LAB	lab(32.13, 52.92, -80.13)
CIE-LCH	lch(32.13, 96.03, 303.45°)
OKLab	oklab(43.77% 0.0078 -0.2319)
OKLCH	oklch(43.77% 0.232 271.9)
XYZ	xyz(13.4200, 7.1408, 59.0516)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FCE #CCCE2F

analogous

#2F7CCE #312FCE #812FCE

triadic

#312FCE #CE312F #2FCE31

tetradic

#312FCE #CE2F7C #CCCE2F #2FCE81

square

#312FCE #CE2F7C #CCCE2F #2FCE81

split-complementary

#312FCE #CE812F #7CCE2F

monochromatic

#19186A #25249C #312FCE #6160DB #9291E6

Accessibility & contrast

On white

8.65

#312FCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#312FCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FCE

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FCE	#FFFFFF	#000000	##FFFFFF
##312FCE	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053D2

Deuteranopia (green-blind)

#0044CB

Tritanopia (blue-blind)

#005F7E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #312fce;
/* rgb */ color: rgb(49, 47, 206);
/* oklch */ color: oklch(43.8% 0.232 271.9);

Tailwind

colors: {
  custom: {
    50: '#846bde',
    500: '#312fce',
    950: '#000000',
  },
}

SCSS

$custom: #312fce;
$custom-light: #846bde;
$custom-dark: #000000;

JSON

{
  "hex": "#312fce",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 206
  },
  "hsl": {
    "h": 240.755,
    "s": 62.846,
    "l": 49.608
  },
  "oklch": {
    "l": 0.43769,
    "c": 0.23207,
    "h": 271.9
  },
  "luminance": 0.07142
}

Semantic roles & 50–950 ramp

primary

#312FCE

secondary

#D0D188

accent

#E642E4

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #312FCE

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

Preview Lab → · Contrast checker → · Palette generator →