#2B3FA2#2B3FA2

#2B3FA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.161 H 269.3°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#2B3FA2
RGB	rgb(43, 63, 162)
HSL	hsl(230, 58%, 40%)
HSV	hsv(230, 73%, 64%)
CMYK	cmyk(73.5%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(31.06, 27.51, -55.84)
CIE-LCH	lch(31.06, 62.24, 296.23°)
OKLab	oklab(41.63% -0.0019 -0.1612)
OKLCH	oklch(41.63% 0.161 269.3)
XYZ	xyz(9.2931, 6.6763, 34.9743)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3FA2 #A28E2B

analogous

#2B7AA2 #2B3FA2 #522BA2

triadic

#2B3FA2 #A22B3F #3FA22B

tetradic

#2B3FA2 #A22B7A #A28E2B #2BA252

square

#2B3FA2 #A22B7A #A28E2B #2BA252

split-complementary

#2B3FA2 #A2522B #7AA22B

monochromatic

#111941 #1E2C72 #2B3FA2 #3E56CC #6F81D9

Accessibility & contrast

On white

8.99

#2B3FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2B3FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3FA2

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3FA2	#FFFFFF	#000000	##FFFFFF
##2B3FA2	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3fa2;
/* rgb */ color: rgb(43, 63, 162);
/* oklch */ color: oklch(41.6% 0.161 269.3);

Tailwind

colors: {
  custom: {
    50: '#7673be',
    500: '#2b3fa2',
    950: '#000000',
  },
}

SCSS

$custom: #2b3fa2;
$custom-light: #7673be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3fa2",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 229.916,
    "s": 58.049,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41632,
    "c": 0.1612,
    "h": 269.3
  },
  "luminance": 0.06677
}

Semantic roles & 50–950 ramp

primary

#2B3FA2

secondary

#C0B169

accent

#C747E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3FA2

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

Preview Lab → · Contrast checker → · Palette generator →