#31298B#31298B

#31298B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.155 H 278.8°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#31298B
RGB	rgb(49, 41, 139)
HSL	hsl(245, 54%, 35%)
HSV	hsv(245, 71%, 55%)
CMYK	cmyk(64.7%, 70.5%, 0%, 45.5%)
CIE-LAB	lab(24.01, 34.29, -53.26)
CIE-LCH	lch(24.01, 63.34, 302.77°)
OKLab	oklab(35.95% 0.0238 -0.1536)
OKLCH	oklch(35.95% 0.155 278.8)
XYZ	xyz(6.7183, 4.1024, 24.8589)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31298B #838B29

analogous

#29528B #31298B #62298B

triadic

#31298B #8B3129 #298B31

tetradic

#31298B #8B2952 #838B29 #298B62

square

#31298B #8B2952 #838B29 #298B62

split-complementary

#31298B #8B6229 #528B29

monochromatic

#100D2C #201B5C #31298B #4237BA #685FD0

Accessibility & contrast

On white

11.53

#31298B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#31298B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31298B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31298B	#FFFFFF	#000000	##FFFFFF
##31298B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31298b;
/* rgb */ color: rgb(49, 41, 139);
/* oklch */ color: oklch(35.9% 0.155 278.8);

Tailwind

colors: {
  custom: {
    50: '#7564ae',
    500: '#31298b',
    950: '#000000',
  },
}

SCSS

$custom: #31298b;
$custom-light: #7564ae;
$custom-dark: #000000;

JSON

{
  "hex": "#31298b",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 139
  },
  "hsl": {
    "h": 244.898,
    "s": 54.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35945,
    "c": 0.15544,
    "h": 278.8
  },
  "luminance": 0.04103
}

Semantic roles & 50–950 ramp

primary

#31298B

secondary

#AEB55B

accent

#DE4AD2

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #31298B

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

Preview Lab → · Contrast checker → · Palette generator →