#31299A#31299A

#31299A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.175 H 276.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#31299A
RGB	rgb(49, 41, 154)
HSL	hsl(244, 58%, 38%)
HSV	hsv(244, 73%, 60%)
CMYK	cmyk(68.2%, 73.4%, 0%, 39.6%)
CIE-LAB	lab(25.48, 39.34, -60.11)
CIE-LCH	lch(25.48, 71.84, 303.20°)
OKLab	oklab(37.44% 0.0211 -0.1736)
OKLCH	oklch(37.44% 0.175 276.9)
XYZ	xyz(7.8904, 4.5712, 31.0321)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31299A #929A29

analogous

#29599A #31299A #69299A

triadic

#31299A #9A3129 #299A31

tetradic

#31299A #9A2959 #929A29 #299A69

square

#31299A #9A2959 #929A29 #299A69

split-complementary

#31299A #9A6929 #599A29

monochromatic

#120F39 #221C6A #31299A #4137CA #6F67D7

Accessibility & contrast

On white

10.97

#31299A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#31299A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31299A

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31299A	#FFFFFF	#000000	##FFFFFF
##31299A	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003798

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31299a;
/* rgb */ color: rgb(49, 41, 154);
/* oklch */ color: oklch(37.4% 0.175 276.9);

Tailwind

colors: {
  custom: {
    50: '#7864b9',
    500: '#31299a',
    950: '#000000',
  },
}

SCSS

$custom: #31299a;
$custom-light: #7864b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31299a",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 154
  },
  "hsl": {
    "h": 244.248,
    "s": 57.949,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37442,
    "c": 0.17491,
    "h": 276.9
  },
  "luminance": 0.04572
}

Semantic roles & 50–950 ramp

primary

#31299A

secondary

#B6BD62

accent

#E147D6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #31299A

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

Preview Lab → · Contrast checker → · Palette generator →