#2B43BD#2B43BD

#2B43BD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.192 H 268.4°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B43BD
RGB	rgb(43, 67, 189)
HSL	hsl(230, 63%, 45%)
HSV	hsv(230, 77%, 74%)
CMYK	cmyk(77.2%, 64.6%, 0%, 25.9%)
CIE-LAB	lab(34.40, 34.89, -66.45)
CIE-LCH	lch(34.40, 75.05, 297.70°)
OKLab	oklab(44.82% -0.0052 -0.1923)
OKLCH	oklch(44.82% 0.192 268.4)
XYZ	xyz(12.1855, 8.2007, 49.0749)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43BD #BDA52B

analogous

#2B8CBD #2B43BD #5C2BBD

triadic

#2B43BD #BD2B43 #43BD2B

tetradic

#2B43BD #BD2B8C #BDA52B #2BBD5C

square

#2B43BD #BD2B8C #BDA52B #2BBD5C

split-complementary

#2B43BD #BD5C2B #8CBD2B

monochromatic

#142059 #20318B #2B43BD #4E65D7 #8090E2

Accessibility & contrast

On white

7.95

#2B43BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B43BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43BD

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43BD	#FFFFFF	#000000	##FFFFFF
##2B43BD	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b43bd;
/* rgb */ color: rgb(43, 67, 189);
/* oklch */ color: oklch(44.8% 0.192 268.4);

Tailwind

colors: {
  custom: {
    50: '#7c77d2',
    500: '#2b43bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b43bd;
$custom-light: #7c77d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43bd",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 189
  },
  "hsl": {
    "h": 230.137,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44818,
    "c": 0.19233,
    "h": 268.4
  },
  "luminance": 0.08202
}

Semantic roles & 50–950 ramp

primary

#2B43BD

secondary

#CBBD79

accent

#CB42E6

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2B43BD

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

Preview Lab → · Contrast checker → · Palette generator →