#2A31BD#2A31BD

#2A31BD is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.8% C 0.212 H 270.7°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A31BD
RGB	rgb(42, 49, 189)
HSL	hsl(237, 64%, 45%)
HSV	hsv(237, 78%, 74%)
CMYK	cmyk(77.8%, 74.1%, 0%, 25.9%)
CIE-LAB	lab(30.31, 45.79, -73.18)
CIE-LCH	lch(30.31, 86.33, 302.03°)
OKLab	oklab(41.85% 0.0025 -0.2119)
OKLCH	oklch(41.85% 0.212 270.7)
XYZ	xyz(11.2353, 6.3617, 48.7700)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A31BD #BDB62A

analogous

#2A7ABD #2A31BD #6D2ABD

triadic

#2A31BD #BD2A31 #31BD2A

tetradic

#2A31BD #BD2A7A #BDB62A #2ABD6D

square

#2A31BD #BD2A7A #BDB62A #2ABD6D

split-complementary

#2A31BD #BD6D2A #7ABD2A

monochromatic

#141759 #1F248B #2A31BD #4D53D7 #7F84E3

Accessibility & contrast

On white

9.24

#2A31BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2A31BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A31BD

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A31BD	#FFFFFF	#000000	##FFFFFF
##2A31BD	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0040BB

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a31bd;
/* rgb */ color: rgb(42, 49, 189);
/* oklch */ color: oklch(41.8% 0.212 270.7);

Tailwind

colors: {
  custom: {
    50: '#7d6bd2',
    500: '#2a31bd',
    950: '#000000',
  },
}

SCSS

$custom: #2a31bd;
$custom-light: #7d6bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a31bd",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 189
  },
  "hsl": {
    "h": 237.143,
    "s": 63.636,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41845,
    "c": 0.21195,
    "h": 270.7
  },
  "luminance": 0.06363
}

Semantic roles & 50–950 ramp

primary

#2A31BD

secondary

#CBC778

accent

#DF41E7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2A31BD

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

Preview Lab → · Contrast checker → · Palette generator →