#2D31C7#2D31C7

#2D31C7 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.223 H 271.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D31C7
RGB	rgb(45, 49, 199)
HSL	hsl(238, 63%, 48%)
HSV	hsv(238, 77%, 78%)
CMYK	cmyk(77.4%, 75.4%, 0%, 22%)
CIE-LAB	lab(31.52, 49.33, -77.04)
CIE-LCH	lch(31.52, 91.48, 302.63°)
OKLab	oklab(43.07% 0.0041 -0.2231)
OKLCH	oklch(43.07% 0.223 271)
XYZ	xyz(12.4858, 6.8767, 54.6910)
Luminance	0.0688 (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

#2D31C7 #C7C32D

analogous

#2D7EC7 #2D31C7 #762DC7

triadic

#2D31C7 #C72D31 #31C72D

tetradic

#2D31C7 #C72D7E #C7C32D #2DC776

square

#2D31C7 #C72D7E #C7C32D #2DC776

split-complementary

#2D31C7 #C7762D #7EC72D

monochromatic

#161863 #222595 #2D31C7 #585BD9 #8A8CE5

Accessibility & contrast

On white

8.84

#2D31C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2D31C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31C7

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31C7	#FFFFFF	#000000	##FFFFFF
##2D31C7	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CB

Deuteranopia (green-blind)

#0042C4

Tritanopia (blue-blind)

#005E7A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d31c7;
/* rgb */ color: rgb(45, 49, 199);
/* oklch */ color: oklch(43.1% 0.223 271.0);

Tailwind

colors: {
  custom: {
    50: '#806bd9',
    500: '#2d31c7',
    950: '#000000',
  },
}

SCSS

$custom: #2d31c7;
$custom-light: #806bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31c7",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 199
  },
  "hsl": {
    "h": 238.442,
    "s": 63.115,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43065,
    "c": 0.22313,
    "h": 271
  },
  "luminance": 0.06878
}

Semantic roles & 50–950 ramp

primary

#2D31C7

secondary

#CECC81

accent

#E242E6

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2D31C7

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

Preview Lab → · Contrast checker → · Palette generator →