#312BCC#312BCC

#312BCC is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 43.1% C 0.233 H 272.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#312BCC
RGB	rgb(49, 43, 204)
HSL	hsl(242, 65%, 48%)
HSV	hsv(242, 79%, 80%)
CMYK	cmyk(76%, 78.9%, 0%, 20%)
CIE-LAB	lab(31.21, 54.32, -80.49)
CIE-LCH	lch(31.21, 97.10, 304.01°)
OKLab	oklab(43.06% 0.0096 -0.2329)
OKLCH	oklch(43.06% 0.233 272.4)
XYZ	xyz(13.0259, 6.7390, 57.7293)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BCC #C6CC2B

analogous

#2B75CC #312BCC #812BCC

triadic

#312BCC #CC312B #2BCC31

tetradic

#312BCC #CC2B75 #C6CC2B #2BCC81

square

#312BCC #CC2B75 #C6CC2B #2BCC81

split-complementary

#312BCC #CC812B #75CC2B

monochromatic

#191667 #252099 #312BCC #5D58DC #8E8BE7

Accessibility & contrast

On white

8.94

#312BCC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#312BCC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BCC

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BCC	#FFFFFF	#000000	##FFFFFF
##312BCC	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051D0

Deuteranopia (green-blind)

#0041C9

Tritanopia (blue-blind)

#005D7C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #312bcc;
/* rgb */ color: rgb(49, 43, 204);
/* oklch */ color: oklch(43.1% 0.233 272.4);

Tailwind

colors: {
  custom: {
    50: '#8368dd',
    500: '#312bcc',
    950: '#000000',
  },
}

SCSS

$custom: #312bcc;
$custom-light: #8368dd;
$custom-dark: #000000;

JSON

{
  "hex": "#312bcc",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 204
  },
  "hsl": {
    "h": 242.236,
    "s": 65.182,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4306,
    "c": 0.23313,
    "h": 272.4
  },
  "luminance": 0.0674
}

Semantic roles & 50–950 ramp

primary

#312BCC

secondary

#CED082

accent

#E840E2

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #312BCC

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

Preview Lab → · Contrast checker → · Palette generator →