#2D31BC#2D31BC

#2D31BC is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.9% C 0.210 H 271.6°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2D31BC
RGB	rgb(45, 49, 188)
HSL	hsl(238, 61%, 46%)
HSV	hsv(238, 76%, 74%)
CMYK	cmyk(76.1%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(30.36, 45.69, -72.50)
CIE-LCH	lch(30.36, 85.70, 302.22°)
OKLab	oklab(41.9% 0.0059 -0.2099)
OKLCH	oklch(41.9% 0.21 271.6)
XYZ	xyz(11.2545, 6.3841, 48.2063)
Luminance	0.0639 (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

#2D31BC #BCB82D

analogous

#2D78BC #2D31BC #712DBC

triadic

#2D31BC #BC2D31 #31BC2D

tetradic

#2D31BC #BC2D78 #BCB82D #2DBC71

square

#2D31BC #BC2D78 #BCB82D #2DBC71

split-complementary

#2D31BC #BC712D #78BC2D

monochromatic

#151759 #21248B #2D31BC #5155D5 #8285E1

Accessibility & contrast

On white

9.22

#2D31BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2D31BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31BC

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31BC	#FFFFFF	#000000	##FFFFFF
##2D31BC	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#0040BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d31bc;
/* rgb */ color: rgb(45, 49, 188);
/* oklch */ color: oklch(41.9% 0.210 271.6);

Tailwind

colors: {
  custom: {
    50: '#7e6bd1',
    500: '#2d31bc',
    950: '#000000',
  },
}

SCSS

$custom: #2d31bc;
$custom-light: #7e6bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31bc",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 238.322,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41896,
    "c": 0.20996,
    "h": 271.6
  },
  "luminance": 0.06385
}

Semantic roles & 50–950 ramp

primary

#2D31BC

secondary

#CAC87B

accent

#E043E4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2D31BC

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

Preview Lab → · Contrast checker → · Palette generator →