#31298C#31298C

#31298C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.0% C 0.157 H 278.7°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#31298C
RGB	rgb(49, 41, 140)
HSL	hsl(245, 55%, 35%)
HSV	hsv(245, 71%, 55%)
CMYK	cmyk(65%, 70.7%, 0%, 45.1%)
CIE-LAB	lab(24.10, 34.63, -53.73)
CIE-LCH	lch(24.10, 63.92, 302.80°)
OKLab	oklab(36.04% 0.0236 -0.155)
OKLCH	oklch(36.04% 0.157 278.7)
XYZ	xyz(6.7917, 4.1318, 25.2455)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31298C #848C29

analogous

#29538C #31298C #62298C

triadic

#31298C #8C3129 #298C31

tetradic

#31298C #8C2953 #848C29 #298C62

square

#31298C #8C2953 #848C29 #298C62

split-complementary

#31298C #8C6229 #538C29

monochromatic

#100D2D #201B5D #31298C #4237BB #685FD0

Accessibility & contrast

On white

11.50

#31298C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31298C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31298C

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31298C	#FFFFFF	#000000	##FFFFFF
##31298C	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#00358A

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31298c;
/* rgb */ color: rgb(49, 41, 140);
/* oklch */ color: oklch(36.0% 0.157 278.7);

Tailwind

colors: {
  custom: {
    50: '#7564af',
    500: '#31298c',
    950: '#000000',
  },
}

SCSS

$custom: #31298c;
$custom-light: #7564af;
$custom-dark: #000000;

JSON

{
  "hex": "#31298c",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 140
  },
  "hsl": {
    "h": 244.848,
    "s": 54.696,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36042,
    "c": 0.15676,
    "h": 278.7
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#31298C

secondary

#AEB65B

accent

#DE4AD2

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #31298C

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

Preview Lab → · Contrast checker → · Palette generator →