#312388#312388

#312388 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.158 H 280.5°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#312388
RGB	rgb(49, 35, 136)
HSL	hsl(248, 59%, 34%)
HSV	hsv(248, 74%, 53%)
CMYK	cmyk(64%, 74.3%, 0%, 46.7%)
CIE-LAB	lab(22.42, 36.87, -54.00)
CIE-LCH	lch(22.42, 65.39, 304.33°)
OKLab	oklab(34.72% 0.0289 -0.1558)
OKLCH	oklch(34.72% 0.158 280.5)
XYZ	xyz(6.3102, 3.6321, 23.6563)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312388 #7A8823

analogous

#234788 #312388 #632388

triadic

#312388 #883123 #238831

tetradic

#312388 #882347 #7A8823 #238863

square

#312388 #882347 #7A8823 #238863

split-complementary

#312388 #886323 #478823

monochromatic

#0E0A27 #1F1657 #312388 #4330B9 #6453D3

Accessibility & contrast

On white

12.16

#312388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#312388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312388

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312388	#FFFFFF	#000000	##FFFFFF
##312388	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398B

Deuteranopia (green-blind)

#003286

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #312388;
/* rgb */ color: rgb(49, 35, 136);
/* oklch */ color: oklch(34.7% 0.158 280.5);

Tailwind

colors: {
  custom: {
    50: '#7560ac',
    500: '#312388',
    950: '#000000',
  },
}

SCSS

$custom: #312388;
$custom-light: #7560ac;
$custom-dark: #000000;

JSON

{
  "hex": "#312388",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 136
  },
  "hsl": {
    "h": 248.317,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34718,
    "c": 0.15843,
    "h": 280.5
  },
  "luminance": 0.03633
}

Semantic roles & 50–950 ramp

primary

#312388

secondary

#A8B750

accent

#E246CD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312388

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

Preview Lab → · Contrast checker → · Palette generator →