#312EC9#312EC9

#312EC9 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.1% C 0.227 H 272.3°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#312EC9
RGB	rgb(49, 46, 201)
HSL	hsl(241, 63%, 48%)
HSV	hsv(241, 77%, 79%)
CMYK	cmyk(75.6%, 77.1%, 0%, 21.2%)
CIE-LAB	lab(31.40, 51.86, -78.41)
CIE-LCH	lch(31.40, 94.01, 303.48°)
OKLab	oklab(43.1% 0.0092 -0.2269)
OKLCH	oklch(43.1% 0.227 272.3)
XYZ	xyz(12.7827, 6.8226, 55.8902)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EC9 #C6C92E

analogous

#2E78C9 #312EC9 #7E2EC9

triadic

#312EC9 #C9312E #2EC931

tetradic

#312EC9 #C92E78 #C6C92E #2EC97E

square

#312EC9 #C92E78 #C6C92E #2EC97E

split-complementary

#312EC9 #C97E2E #78C92E

monochromatic

#191765 #252397 #312EC9 #5D5BD9 #8E8DE5

Accessibility & contrast

On white

8.88

#312EC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#312EC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EC9

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EC9	#FFFFFF	#000000	##FFFFFF
##312EC9	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051CD

Deuteranopia (green-blind)

#0042C6

Tritanopia (blue-blind)

#005D7B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #312ec9;
/* rgb */ color: rgb(49, 46, 201);
/* oklch */ color: oklch(43.1% 0.227 272.3);

Tailwind

colors: {
  custom: {
    50: '#826adb',
    500: '#312ec9',
    950: '#000000',
  },
}

SCSS

$custom: #312ec9;
$custom-light: #826adb;
$custom-dark: #000000;

JSON

{
  "hex": "#312ec9",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 201
  },
  "hsl": {
    "h": 241.161,
    "s": 62.753,
    "l": 48.431
  },
  "oklch": {
    "l": 0.431,
    "c": 0.22714,
    "h": 272.3
  },
  "luminance": 0.06824
}

Semantic roles & 50–950 ramp

primary

#312EC9

secondary

#CECF84

accent

#E642E3

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #312EC9

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

Preview Lab → · Contrast checker → · Palette generator →