#2D31B2#2D31B2

#2D31B2 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.198 H 272.2°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#2D31B2
RGB	rgb(45, 49, 178)
HSL	hsl(238, 60%, 44%)
HSV	hsv(238, 75%, 70%)
CMYK	cmyk(74.7%, 72.5%, 0%, 30.2%)
CIE-LAB	lab(29.33, 42.32, -68.26)
CIE-LCH	lch(29.33, 80.32, 301.80°)
OKLab	oklab(40.85% 0.0075 -0.1975)
OKLCH	oklch(40.85% 0.198 272.2)
XYZ	xyz(10.2137, 5.9678, 42.7245)
Luminance	0.0597 (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

#2D31B2 #B2AE2D

analogous

#2D73B2 #2D31B2 #6B2DB2

triadic

#2D31B2 #B22D31 #31B22D

tetradic

#2D31B2 #B22D73 #B2AE2D #2DB26B

square

#2D31B2 #B22D73 #B2AE2D #2DB26B

split-complementary

#2D31B2 #B26B2D #73B22D

monochromatic

#141650 #212481 #2D31B2 #4B4FD1 #7C7FDE

Accessibility & contrast

On white

9.57

#2D31B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2D31B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31B2

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31B2	#FFFFFF	#000000	##FFFFFF
##2D31B2	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB6

Deuteranopia (green-blind)

#003FB0

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d31b2;
/* rgb */ color: rgb(45, 49, 178);
/* oklch */ color: oklch(40.9% 0.198 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b6aca',
    500: '#2d31b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d31b2;
$custom-light: #7b6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31b2",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 178
  },
  "hsl": {
    "h": 238.195,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40854,
    "c": 0.19769,
    "h": 272.2
  },
  "luminance": 0.05969
}

Semantic roles & 50–950 ramp

primary

#2D31B2

secondary

#C6C475

accent

#DE45E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D31B2

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

Preview Lab → · Contrast checker → · Palette generator →