#31228C#31228C

#31228C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.0% C 0.165 H 280.1°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#31228C
RGB	rgb(49, 34, 140)
HSL	hsl(248, 61%, 34%)
HSV	hsv(248, 76%, 55%)
CMYK	cmyk(65%, 75.7%, 0%, 45.1%)
CIE-LAB	lab(22.62, 38.75, -56.16)
CIE-LCH	lch(22.62, 68.23, 304.60°)
OKLab	oklab(34.99% 0.0288 -0.1621)
OKLCH	oklch(34.99% 0.165 280.1)
XYZ	xyz(6.5708, 3.6900, 25.1718)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228C #7D8C22

analogous

#22488C #31228C #66228C

triadic

#31228C #8C3122 #228C31

tetradic

#31228C #8C2248 #7D8C22 #228C66

square

#31228C #8C2248 #7D8C22 #228C66

split-complementary

#31228C #8C6622 #488C22

monochromatic

#0F0A2A #20165B #31228C #422EBD #6653D5

Accessibility & contrast

On white

12.08

#31228C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31228C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228C

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228C	#FFFFFF	#000000	##FFFFFF
##31228C	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31228c;
/* rgb */ color: rgb(49, 34, 140);
/* oklch */ color: oklch(35.0% 0.165 280.1);

Tailwind

colors: {
  custom: {
    50: '#765faf',
    500: '#31228c',
    950: '#000000',
  },
}

SCSS

$custom: #31228c;
$custom-light: #765faf;
$custom-dark: #000000;

JSON

{
  "hex": "#31228c",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 140
  },
  "hsl": {
    "h": 248.491,
    "s": 60.92,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34985,
    "c": 0.1646,
    "h": 280.1
  },
  "luminance": 0.0369
}

Semantic roles & 50–950 ramp

primary

#31228C

secondary

#AAB951

accent

#E444CD

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0510

muted

#7C797F

Preview Lab

Preview with #31228C

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

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