#2D31CF#2D31CF

#2D31CF is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.233 H 270.7°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2D31CF
RGB	rgb(45, 49, 207)
HSL	hsl(239, 64%, 49%)
HSV	hsv(239, 78%, 81%)
CMYK	cmyk(78.3%, 76.3%, 0%, 18.8%)
CIE-LAB	lab(32.39, 51.92, -80.28)
CIE-LCH	lch(32.39, 95.61, 302.89°)
OKLab	oklab(43.93% 0.0027 -0.2325)
OKLCH	oklch(43.93% 0.233 270.7)
XYZ	xyz(13.4392, 7.2580, 59.7120)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D31CF #CFCB2D

analogous

#2D82CF #2D31CF #7A2DCF

triadic

#2D31CF #CF2D31 #31CF2D

tetradic

#2D31CF #CF2D82 #CFCB2D #2DCF7A

square

#2D31CF #CF2D82 #CFCB2D #2DCF7A

split-complementary

#2D31CF #CF7A2D #82CF2D

monochromatic

#17196A #22259D #2D31CF #5D60DC #9092E7

Accessibility & contrast

On white

8.56

#2D31CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2D31CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31CF

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31CF	#FFFFFF	#000000	##FFFFFF
##2D31CF	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D3

Deuteranopia (green-blind)

#0044CC

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2d31cf;
/* rgb */ color: rgb(45, 49, 207);
/* oklch */ color: oklch(43.9% 0.233 270.7);

Tailwind

colors: {
  custom: {
    50: '#826cdf',
    500: '#2d31cf',
    950: '#000000',
  },
}

SCSS

$custom: #2d31cf;
$custom-light: #826cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31cf",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 207
  },
  "hsl": {
    "h": 238.519,
    "s": 64.286,
    "l": 49.412
  },
  "oklch": {
    "l": 0.43928,
    "c": 0.2325,
    "h": 270.7
  },
  "luminance": 0.0726
}

Semantic roles & 50–950 ramp

primary

#2D31CF

secondary

#D1CF87

accent

#E341E7

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #2D31CF

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

Preview Lab → · Contrast checker → · Palette generator →