#31298F#31298F

#31298F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.161 H 278.3°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#31298F
RGB	rgb(49, 41, 143)
HSL	hsl(245, 55%, 36%)
HSV	hsv(245, 71%, 56%)
CMYK	cmyk(65.7%, 71.3%, 0%, 43.9%)
CIE-LAB	lab(24.39, 35.65, -55.12)
CIE-LCH	lch(24.39, 65.64, 302.89°)
OKLab	oklab(36.34% 0.0231 -0.159)
OKLCH	oklch(36.34% 0.161 278.3)
XYZ	xyz(7.0159, 4.2214, 26.4264)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31298F #878F29

analogous

#29548F #31298F #64298F

triadic

#31298F #8F3129 #298F31

tetradic

#31298F #8F2954 #878F29 #298F64

square

#31298F #8F2954 #878F29 #298F64

split-complementary

#31298F #8F6429 #548F29

monochromatic

#100E30 #211B5F #31298F #4137BF #6A61D2

Accessibility & contrast

On white

11.39

#31298F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#31298F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31298F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31298F	#FFFFFF	#000000	##FFFFFF
##31298F	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31298f;
/* rgb */ color: rgb(49, 41, 143);
/* oklch */ color: oklch(36.3% 0.161 278.3);

Tailwind

colors: {
  custom: {
    50: '#7664b1',
    500: '#31298f',
    950: '#000000',
  },
}

SCSS

$custom: #31298f;
$custom-light: #7664b1;
$custom-dark: #000000;

JSON

{
  "hex": "#31298f",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 143
  },
  "hsl": {
    "h": 244.706,
    "s": 55.435,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36337,
    "c": 0.16071,
    "h": 278.3
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#31298F

secondary

#B0B75C

accent

#DF49D3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #31298F

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

Preview Lab → · Contrast checker → · Palette generator →