#312ECF#312ECF

#312ECF is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.8% C 0.234 H 272.0°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#312ECF
RGB	rgb(49, 46, 207)
HSL	hsl(241, 64%, 50%)
HSV	hsv(241, 78%, 81%)
CMYK	cmyk(76.3%, 77.8%, 0%, 18.8%)
CIE-LAB	lab(32.06, 53.75, -80.82)
CIE-LCH	lch(32.06, 97.06, 303.63°)
OKLab	oklab(43.75% 0.008 -0.2339)
OKLCH	oklch(43.75% 0.234 272)
XYZ	xyz(13.5023, 7.1105, 59.6802)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312ECF #CCCF2E

analogous

#2E7CCF #312ECF #822ECF

triadic

#312ECF #CF312E #2ECF31

tetradic

#312ECF #CF2E7C #CCCF2E #2ECF82

square

#312ECF #CF2E7C #CCCF2E #2ECF82

split-complementary

#312ECF #CF822E #7CCF2E

monochromatic

#19186B #25239D #312ECF #615FDB #9291E7

Accessibility & contrast

On white

8.67

#312ECF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#312ECF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312ECF

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312ECF	#FFFFFF	#000000	##FFFFFF
##312ECF	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053D4

Deuteranopia (green-blind)

#0043CC

Tritanopia (blue-blind)

#005F7E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #312ecf;
/* rgb */ color: rgb(49, 46, 207);
/* oklch */ color: oklch(43.8% 0.234 272.0);

Tailwind

colors: {
  custom: {
    50: '#846adf',
    500: '#312ecf',
    950: '#000000',
  },
}

SCSS

$custom: #312ecf;
$custom-light: #846adf;
$custom-dark: #000000;

JSON

{
  "hex": "#312ecf",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 207
  },
  "hsl": {
    "h": 241.118,
    "s": 63.636,
    "l": 49.608
  },
  "oklch": {
    "l": 0.43753,
    "c": 0.23408,
    "h": 272
  },
  "luminance": 0.07112
}

Semantic roles & 50–950 ramp

primary

#312ECF

secondary

#D0D188

accent

#E741E4

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #312ECF

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

Preview Lab → · Contrast checker → · Palette generator →