#312AA2#312AA2

#312AA2 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.184 H 275.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#312AA2
RGB	rgb(49, 42, 162)
HSL	hsl(244, 59%, 40%)
HSV	hsv(244, 74%, 64%)
CMYK	cmyk(69.8%, 74.1%, 0%, 36.5%)
CIE-LAB	lab(26.50, 41.42, -63.30)
CIE-LCH	lch(26.50, 75.65, 303.20°)
OKLab	oklab(38.41% 0.0189 -0.183)
OKLCH	oklch(38.41% 0.184 275.9)
XYZ	xyz(8.6140, 4.9167, 34.6705)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312AA2 #9BA22A

analogous

#2A5FA2 #312AA2 #6D2AA2

triadic

#312AA2 #A2312A #2AA231

tetradic

#312AA2 #A22A5F #9BA22A #2AA26D

square

#312AA2 #A22A5F #9BA22A #2AA26D

split-complementary

#312AA2 #A26D2A #5FA22A

monochromatic

#141141 #221D71 #312AA2 #453DCD #736DD9

Accessibility & contrast

On white

10.59

#312AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#312AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312AA2

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312AA2	#FFFFFF	#000000	##FFFFFF
##312AA2	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A6

Deuteranopia (green-blind)

#0039A0

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #312aa2;
/* rgb */ color: rgb(49, 42, 162);
/* oklch */ color: oklch(38.4% 0.184 275.9);

Tailwind

colors: {
  custom: {
    50: '#7a65bf',
    500: '#312aa2',
    950: '#000000',
  },
}

SCSS

$custom: #312aa2;
$custom-light: #7a65bf;
$custom-dark: #000000;

JSON

{
  "hex": "#312aa2",
  "rgb": {
    "r": 49,
    "g": 42,
    "b": 162
  },
  "hsl": {
    "h": 243.5,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.38412,
    "c": 0.18394,
    "h": 275.9
  },
  "luminance": 0.04918
}

Semantic roles & 50–950 ramp

primary

#312AA2

secondary

#BBC068

accent

#E246D9

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #312AA2

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

Preview Lab → · Contrast checker → · Palette generator →