#312FCA#312FCA

#312FCA is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.227 H 272.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#312FCA
RGB	rgb(49, 47, 202)
HSL	hsl(241, 62%, 49%)
HSV	hsv(241, 77%, 79%)
CMYK	cmyk(75.7%, 76.7%, 0%, 20.8%)
CIE-LAB	lab(31.69, 51.66, -78.52)
CIE-LCH	lch(31.69, 93.98, 303.34°)
OKLab	oklab(43.34% 0.0086 -0.2273)
OKLCH	oklch(43.34% 0.227 272.2)
XYZ	xyz(12.9402, 6.9489, 56.5249)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.50

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FCA #C8CA2F

analogous

#2F7BCA #312FCA #7F2FCA

triadic

#312FCA #CA312F #2FCA31

tetradic

#312FCA #CA2F7B #C8CA2F #2FCA7F

square

#312FCA #CA2F7B #C8CA2F #2FCA7F

split-complementary

#312FCA #CA7F2F #7BCA2F

monochromatic

#191867 #252398 #312FCA #5F5DD9 #908FE5

Accessibility & contrast

On white

8.79

#312FCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#312FCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FCA

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FCA	#FFFFFF	#000000	##FFFFFF
##312FCA	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CE

Deuteranopia (green-blind)

#0043C7

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #312fca;
/* rgb */ color: rgb(49, 47, 202);
/* oklch */ color: oklch(43.3% 0.227 272.2);

Tailwind

colors: {
  custom: {
    50: '#836adc',
    500: '#312fca',
    950: '#000000',
  },
}

SCSS

$custom: #312fca;
$custom-light: #836adc;
$custom-dark: #000000;

JSON

{
  "hex": "#312fca",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 202
  },
  "hsl": {
    "h": 240.774,
    "s": 62.249,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43336,
    "c": 0.22742,
    "h": 272.2
  },
  "luminance": 0.0695
}

Semantic roles & 50–950 ramp

primary

#312FCA

secondary

#CECF86

accent

#E542E3

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #312FCA

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

Preview Lab → · Contrast checker → · Palette generator →