#312391#312391

#312391 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.170 H 279.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#312391
RGB	rgb(49, 35, 145)
HSL	hsl(248, 61%, 35%)
HSV	hsv(248, 76%, 57%)
CMYK	cmyk(66.2%, 75.9%, 0%, 43.1%)
CIE-LAB	lab(23.33, 39.81, -58.09)
CIE-LCH	lch(23.33, 70.42, 304.42°)
OKLab	oklab(35.65% 0.0269 -0.1677)
OKLCH	oklch(35.65% 0.17 279.1)
XYZ	xyz(6.9769, 3.8988, 27.1675)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312391 #839123

analogous

#234C91 #312391 #682391

triadic

#312391 #913123 #239131

tetradic

#312391 #91234C #839123 #239168

square

#312391 #91234C #839123 #239168

split-complementary

#312391 #916823 #4C9123

monochromatic

#100B2E #201760 #312391 #422FC2 #6858D7

Accessibility & contrast

On white

11.80

#312391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#312391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312391

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312391	#FFFFFF	#000000	##FFFFFF
##312391	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00338F

Tritanopia (blue-blind)

#004258

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #312391;
/* rgb */ color: rgb(49, 35, 145);
/* oklch */ color: oklch(35.6% 0.170 279.1);

Tailwind

colors: {
  custom: {
    50: '#7760b2',
    500: '#312391',
    950: '#000000',
  },
}

SCSS

$custom: #312391;
$custom-light: #7760b2;
$custom-dark: #000000;

JSON

{
  "hex": "#312391",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 145
  },
  "hsl": {
    "h": 247.636,
    "s": 61.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35646,
    "c": 0.16986,
    "h": 279.1
  },
  "luminance": 0.03899
}

Semantic roles & 50–950 ramp

primary

#312391

secondary

#AEBB55

accent

#E444D0

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312391

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

Preview Lab → · Contrast checker → · Palette generator →