#311A88#311A88

#311A88 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.168 H 282.1°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#311A88
RGB	rgb(49, 26, 136)
HSL	hsl(253, 68%, 32%)
HSV	hsv(253, 81%, 53%)
CMYK	cmyk(64%, 80.9%, 0%, 46.7%)
CIE-LAB	lab(20.71, 41.73, -56.81)
CIE-LCH	lch(20.71, 70.49, 306.30°)
OKLab	oklab(33.52% 0.035 -0.1639)
OKLCH	oklch(33.52% 0.168 282.1)
XYZ	xyz(6.0786, 3.1689, 23.5791)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A88 #71881A

analogous

#1A3A88 #311A88 #681A88

triadic

#311A88 #88311A #1A8831

tetradic

#311A88 #881A3A #71881A #1A8868

square

#311A88 #881A3A #71881A #1A8868

split-complementary

#311A88 #88681A #3A881A

monochromatic

#0C0621 #1E1055 #311A88 #4424BB #6242DB

Accessibility & contrast

On white

12.85

#311A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#311A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A88

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A88	#FFFFFF	#000000	##FFFFFF
##311A88	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358B

Deuteranopia (green-blind)

#002E86

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311a88;
/* rgb */ color: rgb(49, 26, 136);
/* oklch */ color: oklch(33.5% 0.168 282.1);

Tailwind

colors: {
  custom: {
    50: '#765aac',
    500: '#311a88',
    950: '#000000',
  },
}

SCSS

$custom: #311a88;
$custom-light: #765aac;
$custom-dark: #000000;

JSON

{
  "hex": "#311a88",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 136
  },
  "hsl": {
    "h": 252.545,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33517,
    "c": 0.16759,
    "h": 282.1
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#311A88

secondary

#A2BB43

accent

#EB3DC6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #311A88

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

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