#311DEC#311DEC

#311DEC is a mid, highly saturated blue. Relative luminance 0.076; OKLCH L 45.5% C 0.277 H 271.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#311DEC
RGB	rgb(49, 29, 236)
HSL	hsl(246, 84%, 52%)
HSV	hsv(246, 88%, 93%)
CMYK	cmyk(79.2%, 87.7%, 0%, 7.5%)
CIE-LAB	lab(33.11, 69.17, -95.74)
CIE-LCH	lch(33.11, 118.12, 305.85°)
OKLab	oklab(45.45% 0.0047 -0.2768)
OKLCH	oklch(45.45% 0.277 271)
XYZ	xyz(16.8412, 7.5859, 79.9172)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311DEC #D8EC1D

analogous

#1D71EC #311DEC #991DEC

triadic

#311DEC #EC311D #1DEC31

tetradic

#311DEC #EC1D71 #D8EC1D #1DEC99

square

#311DEC #EC1D71 #D8EC1D #1DEC99

split-complementary

#311DEC #EC991D #71EC1D

monochromatic

#170B84 #2010BC #311DEC #6455F1 #988EF5

Accessibility & contrast

On white

8.34

#311DEC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#311DEC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311DEC

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311DEC	#FFFFFF	#000000	##FFFFFF
##311DEC	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057F1

Deuteranopia (green-blind)

#0043E9

Tritanopia (blue-blind)

#00668C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #311dec;
/* rgb */ color: rgb(49, 29, 236);
/* oklch */ color: oklch(45.5% 0.277 271.0);

Tailwind

colors: {
  custom: {
    50: '#8c64f4',
    500: '#311dec',
    950: '#000000',
  },
}

SCSS

$custom: #311dec;
$custom-light: #8c64f4;
$custom-dark: #000000;

JSON

{
  "hex": "#311dec",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 236
  },
  "hsl": {
    "h": 245.797,
    "s": 84.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.45452,
    "c": 0.27685,
    "h": 271
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#311DEC

secondary

#D7E085

accent

#FB2DE7

background

#F9F6FF

surface

#F2EBFF

border

#CCC6D7

text

#0F0617

muted

#7E7A85

Preview Lab

Preview with #311DEC

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

Preview Lab → · Contrast checker → · Palette generator →