#312389#312389

#312389 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.8% C 0.160 H 280.4°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#312389
RGB	rgb(49, 35, 137)
HSL	hsl(248, 59%, 34%)
HSV	hsv(248, 74%, 54%)
CMYK	cmyk(64.2%, 74.5%, 0%, 46.3%)
CIE-LAB	lab(22.52, 37.20, -54.46)
CIE-LCH	lch(22.52, 65.95, 304.34°)
OKLab	oklab(34.82% 0.0287 -0.1571)
OKLCH	oklch(34.82% 0.16 280.4)
XYZ	xyz(6.3816, 3.6607, 24.0324)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312389 #7B8923

analogous

#234889 #312389 #642389

triadic

#312389 #893123 #238931

tetradic

#312389 #892348 #7B8923 #238964

square

#312389 #892348 #7B8923 #238964

split-complementary

#312389 #896423 #488923

monochromatic

#0E0A28 #201758 #312389 #422FBA #6553D3

Accessibility & contrast

On white

12.12

#312389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#312389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312389

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312389	#FFFFFF	#000000	##FFFFFF
##312389	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#003287

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #312389;
/* rgb */ color: rgb(49, 35, 137);
/* oklch */ color: oklch(34.8% 0.160 280.4);

Tailwind

colors: {
  custom: {
    50: '#7560ac',
    500: '#312389',
    950: '#000000',
  },
}

SCSS

$custom: #312389;
$custom-light: #7560ac;
$custom-dark: #000000;

JSON

{
  "hex": "#312389",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 137
  },
  "hsl": {
    "h": 248.235,
    "s": 59.302,
    "l": 33.725
  },
  "oklch": {
    "l": 0.3482,
    "c": 0.1597,
    "h": 280.4
  },
  "luminance": 0.03661
}

Semantic roles & 50–950 ramp

primary

#312389

secondary

#A9B751

accent

#E245CD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312389

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

Preview Lab → · Contrast checker → · Palette generator →