#312FC9#312FC9

#312FC9 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.2% C 0.226 H 272.2°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#312FC9
RGB	rgb(49, 47, 201)
HSL	hsl(241, 62%, 49%)
HSV	hsv(241, 77%, 79%)
CMYK	cmyk(75.6%, 76.6%, 0%, 21.2%)
CIE-LAB	lab(31.58, 51.34, -78.11)
CIE-LCH	lch(31.58, 93.47, 303.32°)
OKLab	oklab(43.23% 0.0088 -0.2261)
OKLCH	oklch(43.23% 0.226 272.2)
XYZ	xyz(12.8222, 6.9017, 55.9034)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FC9 #C7C92F

analogous

#2F7AC9 #312FC9 #7E2FC9

triadic

#312FC9 #C9312F #2FC931

tetradic

#312FC9 #C92F7A #C7C92F #2FC97E

square

#312FC9 #C92F7A #C7C92F #2FC97E

split-complementary

#312FC9 #C97E2F #7AC92F

monochromatic

#191866 #252397 #312FC9 #5E5CD9 #8F8EE5

Accessibility & contrast

On white

8.82

#312FC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#312FC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FC9

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FC9	#FFFFFF	#000000	##FFFFFF
##312FC9	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CD

Deuteranopia (green-blind)

#0043C6

Tritanopia (blue-blind)

#005D7B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #312fc9;
/* rgb */ color: rgb(49, 47, 201);
/* oklch */ color: oklch(43.2% 0.226 272.2);

Tailwind

colors: {
  custom: {
    50: '#826adb',
    500: '#312fc9',
    950: '#000000',
  },
}

SCSS

$custom: #312fc9;
$custom-light: #826adb;
$custom-dark: #000000;

JSON

{
  "hex": "#312fc9",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 201
  },
  "hsl": {
    "h": 240.779,
    "s": 62.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43228,
    "c": 0.22626,
    "h": 272.2
  },
  "luminance": 0.06903
}

Semantic roles & 50–950 ramp

primary

#312FC9

secondary

#CECF85

accent

#E543E3

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #312FC9

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

Preview Lab → · Contrast checker → · Palette generator →