#312971#312971

#312971 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.5% C 0.119 H 282.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#312971
RGB	rgb(49, 41, 113)
HSL	hsl(247, 47%, 30%)
HSV	hsv(247, 64%, 44%)
CMYK	cmyk(56.6%, 63.7%, 0%, 55.7%)
CIE-LAB	lab(21.69, 25.37, -40.59)
CIE-LCH	lch(21.69, 47.86, 302.01°)
OKLab	oklab(33.55% 0.0267 -0.1164)
OKLCH	oklch(33.55% 0.119 282.9)
XYZ	xyz(5.0393, 3.4308, 16.0163)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312971 #697129

analogous

#294571 #312971 #552971

triadic

#312971 #713129 #297131

tetradic

#312971 #712945 #697129 #297155

square

#312971 #712945 #697129 #297155

split-complementary

#312971 #715529 #457129

monochromatic

#0A0817 #1E1944 #312971 #44399E #6054C1

Accessibility & contrast

On white

12.45

#312971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#312971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312971

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312971	#FFFFFF	#000000	##FFFFFF
##312971	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#153A48

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312971;
/* rgb */ color: rgb(49, 41, 113);
/* oklch */ color: oklch(33.5% 0.119 282.9);

Tailwind

colors: {
  custom: {
    50: '#70639a',
    500: '#312971',
    950: '#000000',
  },
}

SCSS

$custom: #312971;
$custom-light: #70639a;
$custom-dark: #000000;

JSON

{
  "hex": "#312971",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 113
  },
  "hsl": {
    "h": 246.667,
    "s": 46.753,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33547,
    "c": 0.11943,
    "h": 282.9
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#312971

secondary

#9AA353

accent

#D651C8

background

#F7F5F9

surface

#EDEAF2

border

#C8C6CC

text

#08050E

muted

#7B797E

Preview Lab

Preview with #312971

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

Preview Lab → · Contrast checker → · Palette generator →