#2D3BB1#2D3BB1

#2D3BB1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.185 H 270.7°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D3BB1
RGB	rgb(45, 59, 177)
HSL	hsl(234, 59%, 44%)
HSV	hsv(234, 75%, 69%)
CMYK	cmyk(74.6%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(31.48, 35.84, -64.13)
CIE-LCH	lch(31.48, 73.46, 299.20°)
OKLab	oklab(42.38% 0.0021 -0.1855)
OKLCH	oklch(42.38% 0.185 270.7)
XYZ	xyz(10.5793, 6.8590, 42.3528)
Luminance	0.0686 (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

#2D3BB1 #B1A32D

analogous

#2D7DB1 #2D3BB1 #612DB1

triadic

#2D3BB1 #B12D3B #3BB12D

tetradic

#2D3BB1 #B12D7D #B1A32D #2DB161

square

#2D3BB1 #B12D7D #B1A32D #2DB161

split-complementary

#2D3BB1 #B1612D #7DB12D

monochromatic

#141A4F #212B80 #2D3BB1 #4A58D1 #7B85DD

Accessibility & contrast

On white

8.85

#2D3BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2D3BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3BB1

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3BB1	#FFFFFF	#000000	##FFFFFF
##2D3BB1	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B5

Deuteranopia (green-blind)

#0044AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3bb1;
/* rgb */ color: rgb(45, 59, 177);
/* oklch */ color: oklch(42.4% 0.185 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a71c9',
    500: '#2d3bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2d3bb1;
$custom-light: #7a71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3bb1",
  "rgb": {
    "r": 45,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 233.636,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4238,
    "c": 0.18548,
    "h": 270.7
  },
  "luminance": 0.0686
}

Semantic roles & 50–950 ramp

primary

#2D3BB1

secondary

#C6BD74

accent

#D245E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D3BB1

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

Preview Lab → · Contrast checker → · Palette generator →