#312890#312890

#312890 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.163 H 278.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#312890
RGB	rgb(49, 40, 144)
HSL	hsl(245, 57%, 36%)
HSV	hsv(245, 72%, 56%)
CMYK	cmyk(66%, 72.2%, 0%, 43.5%)
CIE-LAB	lab(24.27, 36.58, -55.93)
CIE-LCH	lch(24.27, 66.84, 303.19°)
OKLab	oklab(36.28% 0.0237 -0.1614)
OKLCH	oklch(36.28% 0.163 278.3)
XYZ	xyz(7.0578, 4.1836, 26.8157)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312890 #879028

analogous

#285390 #312890 #652890

triadic

#312890 #903128 #289031

tetradic

#312890 #902853 #879028 #289065

square

#312890 #902853 #879028 #289065

split-complementary

#312890 #906528 #539028

monochromatic

#100D30 #211B60 #312890 #4135C0 #6A60D3

Accessibility & contrast

On white

11.43

#312890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#312890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312890

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312890	#FFFFFF	#000000	##FFFFFF
##312890	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#00358E

Tritanopia (blue-blind)

#004459

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #312890;
/* rgb */ color: rgb(49, 40, 144);
/* oklch */ color: oklch(36.3% 0.163 278.3);

Tailwind

colors: {
  custom: {
    50: '#7663b2',
    500: '#312890',
    950: '#000000',
  },
}

SCSS

$custom: #312890;
$custom-light: #7663b2;
$custom-dark: #000000;

JSON

{
  "hex": "#312890",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 144
  },
  "hsl": {
    "h": 245.192,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.16315,
    "h": 278.3
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#312890

secondary

#B0B85C

accent

#E048D3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0511

muted

#7C7A80

Preview Lab

Preview with #312890

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

Preview Lab → · Contrast checker → · Palette generator →