#31228E#31228E

#31228E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.167 H 279.7°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#31228E
RGB	rgb(49, 34, 142)
HSL	hsl(248, 61%, 35%)
HSV	hsv(248, 76%, 56%)
CMYK	cmyk(65.5%, 76.1%, 0%, 44.3%)
CIE-LAB	lab(22.83, 39.40, -57.07)
CIE-LCH	lch(22.83, 69.35, 304.62°)
OKLab	oklab(35.19% 0.0283 -0.1647)
OKLCH	oklch(35.19% 0.167 279.7)
XYZ	xyz(6.7196, 3.7495, 25.9556)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228E #7F8E22

analogous

#22498E #31228E #67228E

triadic

#31228E #8E3122 #228E31

tetradic

#31228E #8E2249 #7F8E22 #228E67

square

#31228E #8E2249 #7F8E22 #228E67

split-complementary

#31228E #8E6722 #498E22

monochromatic

#0F0A2B #20165D #31228E #422EBF #6654D6

Accessibility & contrast

On white

12.00

#31228E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#31228E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228E

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228E	#FFFFFF	#000000	##FFFFFF
##31228E	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31228e;
/* rgb */ color: rgb(49, 34, 142);
/* oklch */ color: oklch(35.2% 0.167 279.7);

Tailwind

colors: {
  custom: {
    50: '#765fb0',
    500: '#31228e',
    950: '#000000',
  },
}

SCSS

$custom: #31228e;
$custom-light: #765fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31228e",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 142
  },
  "hsl": {
    "h": 248.333,
    "s": 61.364,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35193,
    "c": 0.16713,
    "h": 279.7
  },
  "luminance": 0.0375
}

Semantic roles & 50–950 ramp

primary

#31228E

secondary

#ABBA52

accent

#E443CE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31228E

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

Preview Lab → · Contrast checker → · Palette generator →